FCC ID: YHLBLUG51S Smart Phone with GSM, WCDMA, LTE, WiFi and Bluetooth

Content 1 General Information ...................................................................................................................................................... 3 1.1 Profile ................................................................................................................................................................................ 3 1.2 Safety warning and Attentions .......................................................................................................................................... 3 2 Your phone ..................................................................................................................................................................... 6 2.1 Phone overview ................................................................................................................................................................. 6 2.2 Functions of Keys ............................................................................................................................................................. 7 2.3 Functions of icons ............................................................................................................................................................. 7 3 Getting started ............................................................................................................................................................... 8 3.1 Installing the SIM Card and the Battery ........................................................................................................................... 8 3.2 Charging the Battery ......................................................................................................................................................... 9 3.3 Linking to the Networks and devices .............................................................................................................................. 10 3.4 Using the touch screen .................................................................................................................................................... 12 3.5 Using the onscreen keypad ............................................................................................................................................. 13 3.6 Dialing Calls ................................................................................................................................................................... 13 4 Using the Menus........................................................................................................................................................... 14

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4.1 Browser ........................................................................................................................................................................... 15 4.2 Calculator ........................................................................................................................................................................ 15 4.3 Calendar .......................................................................................................................................................................... 15 4.4 Call History ..................................................................................................................................................................... 16 4.5 CallFireWall .................................................................................................................................................................... 17 4.6 Camera ............................................................................................................................................................................ 17 4.7 Clock ............................................................................................................................................................................... 17 4.8 Contacts .......................................................................................................................................................................... 17 4.9 Downloads ...................................................................................................................................................................... 18 4.10 Email ............................................................................................................................................................................. 18 4.11 File Explorer ................................................................................................................................................................. 19 4.12 FM Radio ...................................................................................................................................................................... 19 4.13 Gallery .......................................................................................................................................................................... 19 4.14 Messaging ..................................................................................................................................................................... 20 4.15 Music ............................................................................................................................................................................ 20 4.16 Note ............................................................................................................................................................................... 22 4.17 Phone ............................................................................................................................................................................ 22 4.18 Search ............................................................................................................................................................................ 22

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4.19 Settings .......................................................................................................................................................................... 22 4.20 SIM Toolkit ................................................................................................................................................................... 25 4.21 Sound Recorder ............................................................................................................................................................. 26 4.22 Video player .................................................................................................................................................................. 26 5 Appendix ....................................................................................................................................................................... 26 1.1 Profile 1 General Information Please read this pamphlet carefully in order to make your phone in perfect condition. Our company may change this mobile phone without prior written notice and reserves the final right to interpret the performance of this mobile phone. Due to different software and network operators, display on your phone may be different, refer to your phone for details. 1.2 Safety warning and Attentions Safety warning ROAD SAFETY COMES FIRST Do not use a hand-held phone while driving. Use hands-free fittings when calls are unavoidable while

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driving. In some countries, dialing or receiving calls while driving is illegal!

SWITCH OFF IN AIRCRAFT Wireless devices can cause interference in aircraft. Using a mobile phone in flight is illegal and risky. Please make sure that your mobile phone is powered off in flight. SWITCH OFF BEFORE ENTERING RISKY AREAS Strictly observe the relevant laws, codes, and regulations on the use of mobile phones in risky areas. Turn off your mobile phone before entering a place susceptible to explosion, such as an oil station, oil tank, chemical plant or a place where a blasting process is under way. OBSERVE ALL SPECIAL REGULATIONS Follow any special regulations in force in any area such as hospitals and always switch off your phone whenever it is forbidden to use it or, when it may cause interference or danger. Properly use your mobile phone near medical apparatuses, such as pacemakers, hearing aids and some other electronic medical devices, as it may cause interference to such apparatuses. INTERFERENCE The conversation quality of any mobile phone may be affected by radio interference. An antenna is built inside the mobile phone and located below the microphone. Do not touch the antenna area during a conversation, lest that the conversation quality deteriorate. QUALIFIED SERVICE Only qualified personnel may install or repair phone equipment. Installing or repairing the mobile phone on your own may bring great danger and violates the warranty rules. ACCESSORIES AND BATTERIES Use only approved accessories and batteries.

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USE SENSIBLY Use only in a normal and proper manner. EMERGENCY CALLS Ensure the phone is switched on and in service, enter the emergency number, e.g. 112, then press the Dial key. Give your location and state your situation briefly. Do not end the call until told to do so. Note: Just like all other mobile phones, this mobile phone does not necessarily support all the features described in this manual due to network or radio transmission problems. Some networks even do not support the emergency call service. Therefore, do not rely solely on the mobile phone for critical communications such as first aid. Please consult the local network operator. Precautions This mobile phone is well designed with fine art. Please exercise special care when using it. The following suggestions will help your mobile phone survive the warranty period and extend its service life:

Keep the mobile phone and all its fittings beyond children's reach. Keep the mobile phone dry. Keep away from rain, moisture, liquid or other substances that may corrode electronic circuits. Do not use or store the mobile phone in dusty places, lest that active parts of the mobile phone be damaged. Do not store the mobile phone in a high-temperature place. High temperature will shorten the life of electronic circuits and damage the battery and some plastic parts. Do not store the mobile phone in a chilly place. Otherwise, moistures will be formed inside the mobile phone to damage electronic circuits when the mobile phone is moved to a constant temperature place. Do not throw, knock or shock the mobile phone, as that will destroy the internal circuits and high-precision

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components of the mobile phone. 2.1 Phone overview 2 Your phone

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Volume key Menu icon Home icon Back icon 2.2 Functions of Keys The mobile phone provides the following keys:

Power key Power key situates at the right side of the phone. While using the phone, you can press this key to lock screen; if you press and hold this key, a phone-options dialog would pop out. Here, you can select to adjust the profile mode, power off, reboot or turn on/off airplane mode. Volume key situates at the right side of the phone. You can press it to adjust ringer volume. 2.3 Functions of icons Touch this icon to access options of a selected function;

Touch it to open home screen. If youre viewing the left or right extended Home screen, touch it can enter the home screen. Touch this icon to return to the previous screen;

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3 Getting started 3.1 Installing the SIM Card and the Battery A SIM card carries useful information, including your mobile phone number, PIN (Personal Identification Number), PIN2, PUK (PIN Unlocking Key), PUK2 (PIN2 Unlocking Key), IMSI (International Mobile Subscriber Identity), network information, contacts data, and short messages data. Note:

After powering off your mobile phone, wait for a few seconds before removing or inserting a SIM card. Exercise caution when operating a SIM card, as friction or bending will damage the SIM card. Properly keep the mobile phone and its fittings such as the SIM cards beyond children's reach. Hold the power key for a while and select power off to power off the mobile phone. Take the back cover away. Insert the SIM Card into the SIM Card slot lightly with the corner cutting of the card aligning to the notch of the slot, the gold plate of the small card facing download and the gold plate of the normal card facing up, till the SIM Card cannot be further pushed in. With the metallic contacts of the battery facing the metallic contacts in the battery slot, install the Installation battery. Note:

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corner of the display screen. Using a travel adapter:

adapter is fully inserted. The SD card is a miniature object. Keep it out of the reach of children for fear that children swallow it!

3.2 Charging the Battery Your mobile phone can monitor and display the battery state. Normally the remaining energy of the battery is indicated by the battery level icon at the upper right When the battery energy is insufficient, the mobile phone prompts "Battery low". Install the battery into the mobile phone before charging the battery. Connect the adapter of the travel charger with the charging slot in the mobile phone. Ensure that the Insert the plug of the travel charger to an appropriate power outlet. During the charging, the battery level grids in the battery icon keep flickering till the battery is fully charged. Note:

The battery icon does no longer flicker when the charging process ends. Ensure that the plug of the charger, the plug of the earphone, and the plug of the USB cable are inserted in the right direction. Inserting them in a wrong direction may cause charging failure or other problems. Before the charging, ensure that the standard voltage and frequency of the local mains supply match the rated voltage and power of the travel charger. Optimizing battery life You can extend your batterys life between charges by turning off features that you dont need. You can

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also monitor how applications and system resources consume battery power. To guarantee the optimal performance of your battery, please stick to the following rules:

Turn off radios that you arent using. If you arent using Wi-Fi, Bluetooth, or GPRS, use the Setting application to turn them off. Turn down screen brightness and set a shorter screen timeout. If you dont need them, turn off automatic syncing for Gmail, Calendar, Contacts, and other applications. Note: On the Home screen, press Menu icon and touch Settings > More>Battery. The Battery Use screen lists the applications that have been using the battery, from greatest to least battery use. The top of the screen displays the time since you were last connected to a charger or, if youre currently connected to one, how long you were running on battery power before you connected to a charger. Then each application or service that used battery power during that time is displayed, in order of the amount of power they used. Touch an application in the Battery Use screen to learn details about its power consumption. Different applications offer different kinds of information. 3.3 Linking to the Networks and devices Your phone can connect to a variety of networks and devices, including mobile networks for voice and data transmission, Wi-Fi data networks, and Bluetooth devices, such as headsets. You can also connect your phone to a computer, to transfer files from your phones SD card and share your phones mobile data connection via USB. Connecting to mobile networks When you assemble your phone with a SIM card, your phone is configured to use your providers

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mobile networks for voice calls and for transmitting data. Connecting to Wi-Fi networks Wi-Fi is a wireless networking technology that can provide Internet access at distances of up to 100 meters, depending on the Wi-Fi router and your surroundings. Touch Settings>Network > Wi-Fi. Check Wi-Fi to turn it on. The phone scans for available Wi-Fi networks and displays the names of those it finds. Secured networks are indicated with a Lock icon. Note: If the phone finds a network that you connected to previously, it connects to it. Touch a network to connect to it. If the network is open, you are prompted to confirm that you want to connect to that network by touching Connect. If the network is secured, youre prompted to enter a password or other credentials. Connecting to Bluetooth devices Bluetooth is a short-range wireless communications technology that devices can use to exchange information over a distance of about 8 meters. The most common Bluetooth devices are headphones for making calls or listening to music, hands-free kits for cars, and other portable devices, including laptops and cell phones. Touch Settings> Network > Bluetooth. Check Bluetooth to turn it on. You must pair your phone with a device before you can connect to it. Once you pair your phone with a device, they stay paired unless you unpair them. Your phone scans for and displays the IDs of all available Bluetooth devices in range. If the device you want to pair with isnt in the list, make it discoverable.

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You can connect your phone to a computer with a USB cable, to transfer music, pictures, and other files Connecting to a computer via USB between your phones SD card and the computer. 3.4 Using the touch screen Touch-screen tips Touch To act on items on the screen, such as application and settings icons, to type letters and symbols using the onscreen keyboard, or to press onscreen buttons, you simply touch them with your finger. Touch & hold Touch & hold an item on the screen by touching it and not lifting your finger until an action occurs. For example, to open a menu for customizing the Home screen, you touch an empty area on the Home screen until the menu opens. Drag Touch & hold an item for a moment and then, without lifting your finger, move your finger on the screen until you reach the target position. Swipe or slide To swipe or slide, you quickly move your finger across the surface of the screen, without pausing when you first touch it (so you dont drag an item instead). For example, you slide the screen up or down to scroll a list. Lock screen When Screen lock in Security setting is enabled, press Power key to lock the handset. This helps to

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prevent accidental touching of keys and as well as power saving. When Sleep function in Display setting is enabled, after the handset device has been idle for preset period, the screen will be locked automatically to save power. Unlock screen Press Power key to switch on the handset device. The lock screen appears. Touch and slide right to unlock screen, and the screen being locked last time will show. 3.5 Using the onscreen keypad You enter text using the onscreen keyboard. Some applications open the keyboard automatically. In others, you touch a text field where you want to enter text to open the keyboard. You can also enter text by speaking instead of by typing. To enter text Touch a text field, and the onscreen keyboard opens. Some applications open the keyboard automatically. In others, you touch a text field where you want to enter text to open the keyboard. Touch the keys on the keyboard to type. The characters youve entered appear in the text field, with suggestions for the word you are typing below. Use the Delete icon to erase characters to the left of the cursor. After finishing typing, touch Back icon to close the keyboard. 3.6 Dialing Calls Dialing a call to a number in the contacts Touch the Phone icon or the phone application icon on the Home screen, then select the Contacts tab.

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Swipe or slide upward/downward to pick out the target contact. Then you can touch the dial icon to originate a call. Dialing a call to a number in call log Touch the Phone icon or the phone application icon on the Home screen, then select the call log tab. Swipe or slide upward/downward to pick out and touch the target contact. Then you can originate a call. Answering incoming calls Touch the Answer icon to answer an incoming call. Touch the End icon to end the current conversation. To reject an incoming call, touch the Decline icon. Managing multiple calls If you accept a new call when youre already on a call, you can touch the Answer icon to answer the current calls. 4 Using the Menus

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You can use Browser to view web pages and search for information on the web. When you open Browser, your home page opens. The web address (URL) of the current page is 4.1 Browser displayed at the top of the window. 4.2 Calculator You can use this Calculator to solve simple arithmetic problems or use its advanced operators to solve more complex equations. Enter numbers and arithmetic operators on the basic screen; Drag the basic screen to the left to open the advanced screen; Touch Del to delete the last number or operator you entered. Touch & hold Del to delete everything in the display. In the calculator screen, you can touch menu icon to access advanced panel. 4.3 Calendar You can open Calendar to view events youve created. Touch the Calendar icon in the main menu interface. Events from each account youve added to your phone and configured to synchronize calendars are displayed in Calendar. Creating an event You can use Calendar on your phone to create events. In any calendar view, touch menu icon > new event to open a event details screen for a new event. Enter a name, time, and optional additional details about the event. You can touch plus icon to add more reminders. In the Guests field, you can enter the email addresses of everyone you want to invite to the event.

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Separate multiple addresses with commas ( , ). If the people to whom you send invitations use Google Calendar, theyll receive an invitation in Calendar and by email. You can touch menu icon and touch Show extra options to add details about the event. Scroll to the bottom of the Event details screen and touch Done. The event is added to your calendar. Synchronizing and displaying calendars When you add a Google Account or Microsoft Exchange ActiveSync account to your phone that includes a calendar service, and you configure that account to synchronize calendar events to the phone, the events from that calendar are added and kept up to date in Calendar on the phone. In calendar screen, touch menu icon and touch Calendars to display > Calendars, here, you can set whether calendars are stored on the phone or visible. The Calendars screen displays all the calendars youve added or subscribed to for each account that is configured to synchronize events to your phone, organized by account. Touch the name of an account to show or hide its calendars on your phone. An icon to the right of each calendar indicates whether its events are synchronized in the phone and whether they are visible in Calendar. Change Calendar settings You can change the following settings for how Calendar displays event and how it notifies you of upcoming events. Open a Calendar view, touch menu icon and touch settings. 4.4 Call History You can use this function to manage your calls:

All:All calls will be in the list. Missed:You can view a list of missed calls.if there are some missed calls,you can drag the

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Column notice down to view it. Outgoing:You can view and manage the dialed calls. Incoming:You can view and manage the received calls. 4.5 CallFireWall record through this function. 4.6 Camera This option can auto reject some calls and messages that you add to the blacklist, you can view the Touch the Camera icon in the main menu interface or on the home screen, camera opens in Landscape mode, ready to take a picture. In this mode, you can touch the camera icon to take a photo, touch photo icon and slide right to switch between photo, video gif and Panora mode. Note: you can also touch menu icon to pop out an option box. There, you can switch to camcorder mode. Touch the Clock icon on the Home screen or in the main menu interface. You can set an alarm by modifying an existing alarm or by adding a new one. You also can use word timeTimer and Stopwatch. 4.7 Clock 4.8 Contacts In the contacts screen, touch menu icon and you can perform the following operations:

Contacts to display: you can select the contacts on different group to display. Import/export: you can import/export the contacts form SIM card or storage; you can also share the visible contacts. Blocked numbers:select this option to enter the callfirewall.

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Accounts: you can sync with your account. Settings: you can set the display options in this interface. Send contacts by Messaging:select this function,then you can choose some contacts to share by messaging Batch delete: Select this function, then you can mark the target contacts. To delete all contacts, you just need to touch all at the top of contacts screen. Last, touch OK and confirm to delete contacts. Groups:you can edit or delete a groups Advanced options:you can view the SIM capacity and Clear up contacts Through this function, you can view a list of files and applications which you downloaded from the 4.9 Downloads webpage. 4.10 Email You use the Email application to read and send email. There are many email address to choose Touch email icon to access it. If the Email account has not been set up, you can set up an Email account in a few steps. Account setup Enter an Email address and the accounts password. Account settings Set inbox checking frequency. Set Send email from this account by default. Set Notify me when email arrives.

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Set Synchronize contacts, calendar or Email from this account. Set Automatically download attachments when connected to Wi-Fi. Compose and sending Email To compose and send an Email:

1. Touch the create icon to compose a new Email. 2. Enter Email address(es) for intended recipient(s). 3. Touch Menu Attach file to attach a file. 4. Touch Menu Add Cc/Bcc to add copy or blind copy this Email to other contacts. 5. After completing the Email, Touch send icon to send the Email. Touch folder icon to check the account status. For each Email account there are five default folders, i.e., Inbox, Drafts, Outbox, Send and Trash folders. To view sent Emails, open Sent folder and tap refresh icon. The phone supports the SD card. You can use the File Explorer to conveniently manage various 4.11 File Explorer directories and files on the SD card or in your phone.. 4.12 FM Radio Please plug in the compatible earphone to the device and then turn on the radio. The earphone cable can be used as FM Antenna. Please adjust appropriate volume when listening to the radio. Continue to use higher volume is harmful for your ear. 4.13 Gallery Both pictures and videos taken by camera or stored in SD card can be scanned through this function.

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You can use Messaging to exchange text messages (SMS) and multimedia messages (MMS) with your 4.14 Messaging friends on their mobile phones. Sending a message 1. Touch message icon on the home screen and touch New message icon to edit a new message. 2. Enter a contacts name or call number in the To field. As the information is entered, all matching contacts appear. Touch a suggested contact or multiple contacts as message recipient(s). 3. Touch Enter message to compose your message. Touch to select a message template. 4. After completing the message, touch Send icon which beside template icon to send your message. Message template template:

Message templates can save your time in editing message with similar format. To create a message 1. Touch message icon on the home screen and touch application item to enter message settings. 2. Touch Message template to create or edit a message template. You can use Browser to view web pages and search for information on the web. When you open Browser, your home page opens. The web address (URL) of the current page is displayed at the top of the window. 4.15 Music Music plays audio files that are stored on your phones SD card, so before you open Music, you must copy audio files from your computer onto the SD card. Music supports a wide variety of audio file formats, so it can play music that you purchase from online stores, music that you copy from your CD collection, and

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so on. To open Music and view your music library Touch the Music icon in the main menu interface or on the Home screen. When you copy music to your SD card, Music searches the card for music files and builds a catalog of your music, based on information about each file that is stored in the file itself. This can take from a few seconds to several minutes, depending on how many files you have copied onto the SD card. When the catalog is complete, the Music library screen opens, with tabs that you can touch to view your music library organized by Artists, Albums, Songs or Playlists. Note: If the phone power off owing to low battery while you were downloading music via USB cable, the phone would prompt SD card error when you power on the phone. Repower on the phone for about 5 times, the same prompt would occur. Under this circumstance, you should repower on the phone until it prompts SD card error. Format?. Please select format to format your SD card to ensure the phone runs properly. Any sudden suspend during downloading music via USB cable may result in great damage to your SD card. Play music You can listen to music by using the phones built-in speaker, through a wired headset, or through a wireless Bluetooth stereo headset. Touch a song in your library to listen to it. The Playback screen opens and the song you touched starts to play. The Playback screen contains several icons that you can touch to control the playback of songs. On the right-top of playback screen, you can find three function icons. You can touch them to open the current playlist, shuffle the current playlist or repeat the current playlist / repeat the current track (touch twice). Three function icons which situates just above the process bar can be used to control the playing process of the

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music application. Their functions can be defined as the following: switch to last song (touch) /rewind (touch

& hold), play/pause and switch to next song (touch)/ fast forward (touch & hold) To delete a song from the SD card You can delete music from the storage card. Touch & hold a song in a library list. In the menu that opens, touch Delete. 4.16 Note You can create new note through this function. 4.17 Phone Touch the Phone icon on the Home screen or in main menu interface. Expand the dial pad which situate center bottom of interface. Touch left bottom of interface there are four tabs are listed at the top of the screen and you can dial the call log number. You can also view all contacts in your phone and SIM card. Note: During a conversation, you cant originate a new call by open the dial-pad, enter number and press dial key. If you press dial key, the current conversation would hold. 4.18 Search 4.19 Settings SUGGESTIONS The Search function enables you to open a search box for searching your phone and the web. The Settings application contains most of the tools for customizing and configuring your phone. the system will give you some suggestion application in the list.you can set some option quickly.

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Screen lock You can set the screen lock to protect your device, you can set none/swipe/pattern/PIN/password. Add another email account You can set up your personal or work email through this function. Change wallpaper You can set the wallpaper through the each one way, personalize your screen. WIRELESS & NETWORK You can use Wireless & Network settings to manage your SIM card, configure and manage connections to networks and devices by using Wi-Fi. You also can set Bluetooth, data usage, airplane mode, tethering & portable hotspot , VPN, celluar networks and mobile plan in this interface. You can set Brightness, Wallpaper, Sleep, Press power button twice for camera, Screen saver, Font size , DEVICE Display Display size, When device is rotated and Cast in this interface. Prompt & notification You can make some setting about the notification. Audio profiles different conditions. Schedule power on/off You can auto power on/off your phone through this setting. Startup manager

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There are four profiles: General, Silent, Vibration and Outdoor. You can set the profiles according to You can manage the application to start when the phone power on . Apps You can use the Applications settings to view details about the applications installed on your phone, to manage their data and force them to stop, to view and control currently running services, and to view the storage used by applications, etc. Use the Storage settings to monitor the used and available space on your phone and on your SD card and Storage to manage your SD card. Battery Memory Users PERSONAL Location Security Accounts You can view your battery status, battery level and battery use in this interface. You can view the average memory use through this option. You can add much account to use this phone. You can turn on/off location and select High accuracy, Battery saving or Device only through this function. You can set the parameters about security through this function. You should add account first before using this function. Language & input

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Use the Language & Keyboard settings to select the language for the text on your phone and for configuring the input method. Backup & reset You can backup your data and reset your phone in this interface. SYSTEM Date & time You can use Date & Time settings to set your preferences for how dates are displayed. You can also use these settings to set your own time and time zone, rather than obtaining the current time from the network, etc. You use the Accessibility settings to configure any accessibility plug-ins you have installed on your Accessibility phone. Printing About phone 4.20 SIM Toolkit You can connect to printer and print something you need through this function. This function enables you to view some phone related information. STK service is the tool kit of SIM card. This phone supports the service function .The specific items are depended by SIM card and network. Service menu will be auto added to the phone menu when supported by network and SIM card.

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Use this function to record audio files. Two function icons at the bottom of the Recorder screen are 4.21 Sound Recorder corresponding to start recording and review record file. 4.22 Video player With Videos, you can play video clips in your device (for example, the video you captured by the camera) or video files stored in compatible SD card (if inserted).

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If there are available video files in the device, for example, you captured some video files by camera, the amount of these video files will be displayed in bracket at right of Movie. 5 Appendix Appendix 1Troubleshooting If you find exceptions when operating the mobile phone, restore the factory settings and then refer to the following table to solve the problem. If the problem persists, contact the distributor or service provider. Fault SIM card error Cause The SIM card is damaged. The SIM card is not in position. Solution Contact your network service provider Check the SIM card

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The metal face of the SIM card is polluted. Signals are obstructed. For instance, radio waves cannot be effectively transmitted nearby a high building or in a basement. Line congestions occur when you use the mobile phone in high-traffic hours Poor received signal quality Clean the SIM card with a clean cloth Move to a place where signals can be effectively transmitted Avoid using the mobile phone in high-traffic hours

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The mobile phone cannot be powered on The battery energy is exhausted. Charge the battery Calls cannot be dialed Call barring is activated Cancel call barring The mobile phone cannot connect the network The SIM card is invalid Contact your network service provider

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The mobile phone is not in a service area of the GSM network The signal is weak The charging voltage does not match the voltage range indicated on the charger An improper charger is used Poor contact The battery cannot be charged Move to the network operator's service area Move to a place where the signal quality is high Ensure the charging voltage matches the voltage range indicated on the charger Use the charger specially designed for the mobile phone Ensure the charger plug is in good contact with the mobile phone

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Federal Communication Commission Interference Statement FCC ID: YHLBLUG51S This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does

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cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one of the following measures:

-Reorient or relocate the receiving antenna.

-Increase the separation between the equipment and receiver.

-Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.

-Consult the dealer or an experienced radio/TV technician for help. FCC Caution: Any changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate this equipment. Radiation Exposure Statement:

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This device meets the governments requirements for exposure to radio waves. This device is designed and manufactured not to exceed the emission limits for exposure to radio frequency (RF) energy set by the Federal Communications Commission of the U.S. Government. The exposure standard for wireless device employs a unit of measurement known as the Specific Absorption Rate, or SAR. The SAR limit set by the FCC is 1.6W/kg. Tests for SAR are conducted using standard operating positions

(10mm) accepted by the FCC with the device transmitting at its highest certified power level in all tested frequency bands.

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BLws 4 [2]

smartphones MODEL/MODELO/MODELE: 09/2021 G51S GO590oOwW ='|_~CsOO FCC ID:YHLBLUG51S INPUT/ENTRADA/ENTREE:3.85 V = (DC) IMEI1:3 5 IMEI2:3 5 SIN 1 2

Designed by BLU in Miami | Assembled in China Disefiado por BLU en Miami | Ensamblado en China Projetado por BLU em Miami | Montado na China Congu par BLU a Miami | Assembl en Chine

BLU Products, Inc. Date:2021/09/22 To: Federal Communications Commission, Authorization & Evaluation Division, 7435 Oakland Mills Road, Columbia, MD 21046 To Whom It May Concern:

The BLU Products, Inc., the undersigned, hereby authorizes Mrs. Wendy Zhan from Shenzhen Morlab Communications Technology Co., Ltd., to act on the behalf of the BLU Products, Inc. solely in matters relating to the application for an FCC equipment authorization for FCC ID: YHLBLUG51S including the signing of documents in connection with this Application. Necessary acts carried out Shenzhen Morlab Communications Technology Co., Ltd. on our behalf of the BLU Products, Inc. in connection with the Application shall have the same effect as acts of the BLU Products, Inc.. BLU Products, Inc. also hereby certify that no party to this application is subject to a denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 862. Thank you for your attention to this matter. Yours Sincerely, Signatory:

Z Contact name:Wi Zeng Title:Senior Manager Tel:3057157171 Email:zwei@ctasiasz.com Company name: BLU Products, Inc.

BLU Products, Inc. Date: 2021/09/22 To: Federal Communications Commission, Authorization & Evaluation Division, 7435 Oakland Mills Road, Columbia, MD 21046 Re: Request of Confidentiality for FCC ID: YHLBLUG51S To Whom it may concern:

Pursuant to sections 0.457 and 0.459 of Commission's Rules (CFR 47), and Section 552(b)(4) of the Freedom of Information Act, BLU Products, Inc. hereby requests confidentiality and treatment of certain information accompanying this application. The materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these matters might be harmful to the Applicant and provide unjustified benefits to its competitors. We are also hereby request Short-Term Confidentiality for 180 days from grant date as outlined in Public Notice DAQ4-1705. This provision will give BLU Products, Inc. temporary confidentiality of commercially sensitive information prior to product release. The requested Permanent and Short-Term Confidential exhibits are listed as follows:

PERMANENT AND SHORT-TERM CONFIDENTIAL LIST Exhibit Description 1 Block Diagram Operational Description PERMANENT Schematics BOM Tune up procedure External Photos Internal Photos ORT-TERM oH Test-Setup Photos O;/CO;N| OM) om] Bi wlr User Manual The Applicant understands that pursuant to Rule 0.457, disclosure of this application and all accompanying documentations, where applicable, will not be made public before the date of the Grant for this application. Signatory:

Contact name:Wei Zehg Title:Senior Manager Tel:3057157171 Email:zwei@ctasiasz.com Company name: BLU Products, Inc.