Zte V55 LIGHT TAB User manual

ZTE CORPORATION
Product Change Description
As the applicant of the below model, [ZTE Corporation] declares
that the product,
[Model Name: V55, FCC ID: Q78-V55]
[ZTE Corporation]
is the variant of the initial 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.

After：
Antenna connects to RF module through RF cable which soldered on
antenna. The centre core of RF cable is soldered on antenna and the
metallic 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:

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:

After:
Reason for changes：Fix RF cable to avoid the cable to be pressed
2)Before:

After:
Reasons for changes:keep away from the LCD fpc
3)Before:

After:
Reason for changes: enhance the front-frame
Back cover change:
Before:

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

Before:
After:

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

Reason for changes: Add a shield cover over the front camera 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