FCC ID: 2AT55-IM421 4G feature phone

Thank you for choosing i-MOBILs Mobile phone iM421 Universe User Guide Contents 1 Power on/off ................................................................................................................................ 1 2 Contacts ....................................................................................................................................... 1 3 Messages ........................................................................................................................................ 1 4 Call center ...................................................................................................................................... 2 5 Multimedia ..................................................................................................................................... 2 6 Settings ........................................................................................................................................... 2 7. Profiles .......................................................................................................................................... 3 8 Tools ............................................................................................................................................... 3 9 Volte connection ............................................................................................................................. 6 1 Power on/off 2 Contacts In the contact, you can quick searchsearch contactadd numbercopy all, mark deletecaller groupsextra numbers, settings, backup contact, speed dial. 3 Messages 3.1 Write message You can write Text message. 3.2 Inbox There is SIM inbox. Include in Text message inbox. If the inbox has no message, there will be a prompt No message. 3.3 Outbox You can check the messages which one is unsent. 3.4 Drafts There is SIM drafts. 3.5 Templates When edit message ,you can add this clauses Please call me!Where are you now? Thank you! Wait a minute! I am busy today ! and so on. 3.6 Voice mail server Voice mail service, you can set the language box number. 3.7 Message settings You can set profile setting ,common settings, memory status, preferred storage. Note: the functions of info service and voice mail are both supplied by the operator, please contact with your operator. 4 Call center 4.1 Missed calls: you can view the missed calls. 4.2 Dialed calls: you can view the dialed calls. 4.3 Received calls: you can view received the received calls. 4.4 Rejected call: you can view the rejected call. 4.5 Delete all: You can either delete all call records or separated delete the missed, the dialed , received ,rejected and the all call.. 4.6 call timers There are four submenus of the call timers Last call: the duration of last call Total call sent: the duration of all sent call Total received: Call duration for all the received calls Reset all time: Clear the data 5 Multimedia 6 Settings 6.1 Call settings 6.1.1 SIM settings including Standby mode, Reply by original SIM, Set SIM name. 6.1.2 SIM call settings Call waiting: open or close this function Call divert Call barring 6.2 Phone settings Time and date Language: to choose a language for your phone. Writing language: choose a default input method. Display characteristic on idle interface:

Wallpaper: choose the wallpaper for the idle mode Shortcuts: Add number, search contact, Caller group, write message, memory status, preferred storage, greeting text, pref. Input methods, alert type. Dedicated key: up key is camera, down key is calendar, left key is write message, right key is user profiles. Restore factory settings Input the password of the handset lock, you can set the parameter to factory default. Note: The default password is 1234;

6.3 Security SIM lock: You can lock the SIM to avoid being illegally used. Fixed dial If the SIM card supports this function, you can set the certain dialing then you can only dial the number on the list. Enter fixed dial, you can set:

Format: open/close this function. The list: input the numbers. Phone lock You can lock the handset to avoid being illegally used. You have to input the handset password each time you power on the handset. Note: The default password is 1234 ; please change it to your personal password as soon as possible. Auto keypad lock Set the waiting time for locking keypad. After setting, the keypad will be locked automatically . Change the password: including PIN code and the password of the handset lock. Note: some functions need the support of the operator. 7. Profiles The handset supplies three modes: Normal mode, silent mode, meeting mode 7.1 Normal mode You can operate on each mode. Activate : activate general mode Tone settings: set incoming call tone, Power on/off tone, message tone and keypad tone;

Volume: 1~15volume levels for ring and key tone Alert type: ring and silent You can also set up other types and so on. 7.2 silent mode The same to the general mode 7.3 meeting mode The same to the general mode 8 Tools 8.1 Alarm There are 3 alarm clocks for you to choose. Open/close Alarm time Alarm periods: one time, every day, one day or several days in a week. You can select by up/down key. Snooze: choose from 1 to 10 minutes.And view world clock. 8.2 Calendar You can view the date. 8.3 Calculator There is calculator in the handset, and you can operate it by keypad. The operation is as follows:

Input the first number: when 0 is displayed on LCD, input the first number. Input the counting symbol and then the second number. Choose +-*/= by press the up, down, left ,right key Press the OK key to come out the result. press right functional key to clear. 8.4 Bluetooth Enter this menu, there are the following settings. Poweron/off Visibilityon/off My deviceThe name of handset device will be displayed after matching and connecting successfully. Search audio device: activate Bluetooth and the headset before entering this menu, and then begin to search the handset device. You will be asked to input the password of Bluetooth headset. And then you can use Bluetooth for talking or play MP3 after matching. Note: the password is different by each factory; please refer to the Bluetooth manual for the detail. My nameThe name of handset device will be displayed during connection Advancedset audio pathStorage and so on. 9 Volte connection Network account: Choose SIM card account on the Internet GPRS Service: You can choose On or Off Internet Service function Data roaming: turn on/off data roaming Data connection settings: One SIM card you can choose: Connect when needed, Always connect, Power saving mode Network selection: You can choose Auto select or Manual select Network type: LTE/wcdma/gsm auto, wcdma/gsm auto, gsm only. Volte: turn on or off Volte. Certificado ift : .. ( THIS IS PENDING BECAUSE WE DONT HAVE IT YET) LEYENDAS DECLARATORIAS MXICO La operacin de este equipo est sujeta a las siguientes dos condiciones:

Es posible que este equipo o dispositivo no cause interferencia perjudicial y Este equipo o dispositivo debe aceptar cualquier interferencia, incluyendo la que pueda causar su operacin no deseada. UBICACIN IMEI:

El IMEI puede ser ubicado en la parte posterior del dispositivo, retirando la cubierta trasera, posteriormente la batera del equipo, una vez retirada la batera ser visible el nmero IMEI correspondiente a su equipo. 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. 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 Product meets the government's requirements for exposure to radio waves. The guidelines are based on standards that were developed by independent scientific organizations through periodic and thorough evaluation of scientific studies.The standards include a substantial safety margin designed to assure the safety of all persons regardless of age or health. FCC RF Exposure Information and Statement the SAR limit of USA (FCC) is1.6 W/kg averaged over one gram of this 4G feature phone (FCC ID:

2AT55-IM421) has been tested against this SAR limit. SAR information on this can be viewed on-line at http://www.fcc.gov/oet/ea/fccid/. Please use the device FCC ID number for search. This device was tested for typical operations 10mm from the body. To maintain compliance with FCC RF exposure requirements, 10mm separation distance should. maintained to the user's bodies NOTE:

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 signed to provide reasonable protection against harmful interference in a esidential 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 cause harmful interference to radio or television recepti on,which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the followingm easures:

-- 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 ID: 2AT55-IM421

(-MOBIL Modelo: (M421 IMEI: 123456789012345 18.1 mm 24mm de SG S5 gE Oz 18.5mm Hecho en China 25.8 mm

i-MOBIL S.A. de C.V. Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 2023/06/14 Subject; Request for Confidentiality FCC ID: 2AT55-IM421 To Whom It May Concern, Pursuant to the provisions of the Commissions rules Title 47 Sections 0.457 and 0.459, we are requesting the Commission to withhold the following attachment(s) as confidential documents from public disclosure indefinitely. These documents contain detailed system and equipment descriptions and are considered as proprietary information in operation of the equipment. The public disclosure of these documents might be harmful to our company and would give competitors an unfair advantage in the market.

{Schematic Diagram

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| Parts List/BOM

| Operational Description 4 Tune-up Procedure CJ FCC_Software_Security_Requirements_for_UNI |_devices In additional to above mentioned documents, in order to comply with the marketing regulations in Title 47 CFR 2.803 and the importation rules in Title 47 CFR 2.1204, while ensuring that business sensitive information remains confidential until the actual marketing of newly authorized devices, we request Short Term Confidentiality of the following attachment(s);

{External Photos Test Setup Photos

{JInternal Photos User Manual For 45 days, pursuant to Public Notice DA 04-1705. OR

| For 180 days pursuantto KDB 726920 DO1. It is our understanding that all measurement test reports, FCC ID label format and correspondence during the certification review process cannot be granted as confidential documents and this information will be available for public review once the grant of equipment authorization is issued. Sincerely, aueowe Vee Name: Tony zen Title: Manager Email: tony.zeng@i-mobil.com