background image

 

 

 

Reason  for changes

frist

make the main antenna fixing to the 

cover more steady; second, improve performance of the main 
antenna. 
The antenna gain is same as original. 
 
Mechanical changes: 
Front cover change: 
1)Before: 

 

Summary of Contents for Q78-V55

Page 1: ...al certified product Model Name V55 FCC ID Q78 V55 ZTE Corporation SOFTWARE MODIFICATIONS Protocol Stack changes NO MMS STK changes NO JAVA changes NO Other changes detailed NO HARDWARE MODIFICATION Band changes NO Power Amplifier changes NO Antenna changes Main Board Changed from dq8A to dq8B WIFI antenna change Before Antenna connects to RF module through RF cable which fix on pcb by welding ...

Page 2: ...llic shield is soldered on metal stamping which connects to the ground Reason for changes Get more wider bandwidth improve antenna performance WIFI band include BT band and they use common antenna so the changes of WIFI antenna makes no bad influence on BT performance The antenna gain is same as original WWAN Main antenna change Before After ...

Page 3: ...on for changes frist make the main antenna fixing to the cover more steady second improve performance of the main antenna The antenna gain is same as original Mechanical changes Front cover change 1 Before ...

Page 4: ...After Reason for changes Fix RF cable to avoid the cable to be pressed 2 Before ...

Page 5: ...After Reasons for changes keep away from the LCD fpc 3 Before ...

Page 6: ...After Reason for changes enhance the front frame Back cover change Before ...

Page 7: ...After Reason for changes Increase and modify the glue to stick decorative piece firmly Side key changes ...

Page 8: ...Before After ...

Page 9: ...Reason for changes It s to improve the handle of side key that the TPU and PC are heightened Front camera changes Before After ...

Page 10: ...era to cover the gaps avoid the dust enter Battery changes Before After Reason for changes make battery more reliable APPROVED BY Project Manager ZhaoYang Date 2011 12 30 Company ZTE Corporation Address B109 889 Bibo Rd Zhangjiang Hi Tech Park Shanghai China ...

Page 11: ...Tel 86 21 68896840 Fax 86 21 68896835 ...

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