ZTE CORPORATION Product Change Description As the applicant of the below model, [ZTE Corporation] declares that the product,
[WF721]
[ZTE Corporation]
is the variant of the initial certified product,
[WF721]
[ZTE Corporation]
SOFTWARE MODIFICATIONS:
Protocol Stack changes: NO MMS/STK changes: NO JAVA changes: NO Other changes detailed:
NV item change to support the new sp8t since it control logic is different with the Original one. Code change to detect the device use the original sp8t or new sp8t. HARDWARE MODIFICATION:
Band changes: NO Power Amplifier changes: NO Antenna changes: NO PCB Layout changes: NO Components on PCB changes: We changed the original sp8t RF switch to new one because the original one stops production by the supplier. And these two sp8t RF switches are pin-pin compatible. Two resistors are changed to enforce the hardware detection function so we can know which sp8t we are using.
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1 Material Name Model name/Description Location Number Original Chip resistor Chip resistor SP8T RF Switch Variant Chip resistor Chip resistor SP8T RF Switch R64 RC0201JR-7C470KL/ERJ1GEJ474C//RC0201JR-07470KL//RM02JTN474
//WR02X474 JAL RC0201FR-0730KL//RM02FTN3002//ERJ1GEF3002C//WR02X3002FAL
//RC0201FR-7C30KL S1 LMSP32QH-C30 WR02X6802FAL//RC0201FR-0768KL//RM02FTN6802//ERJ1GEF6802C R64 RC0201FR-0784K5L//WR02X8452FAL//ERJ1GEF8452C//RM02FTN8452 R65 LMSP32QH-H81 S1 R65 LCD changes: NA Speaker changes: NA Camera changes: NA Vibrator changes: NA Bluetooth changes: NA FM changes: NA Other changes: NO MECHANICAL MODIFICATIONS:
Use new metal front/back cover or keypad: NO Mechanical shell changes: NO Other changes detailed: NO ACCESSORY MODIFICATIONS:
Battery changes: NO AC Adaptor changes: NO Earphone changes: NO APPROVED BY: zhaoyang Project Manager: Zheng dahu Date:2016-3-24
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2 Company: ZTE Corporation Address: B109, #889, Bibo Rd, Zhangjiang Hi-Tech Park, Shanghai,China Tel:+86-21-68896840 Fax: +86-21-68896835
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