XXXX
The basic version
Repair
Manual
V1.0
internal public
2013-09-25
Huawei
confidential,
not to spread
without permission
第 24 页，共 79 页
5.6 Exception Handling
Failure types
Solution
Data cable upgrade cannot
find port
1
．
Check whether there are other
drivers
conflict
2
．
Check whether the driver is installed properly;
3
．
Check the cable is connected properly;
Data cable
upgrade failed
1
．
Check the cable is connected properly;
2
．
Try to upgrade again.
SD card upgrade failed
4
．
1. Whether the update file is correct
5
．
2. Whether upgrading method is correct;
6
．
3. Whether SD card can be used normally;
7
．
4. Try to upgrade again.