Mobile Phone Xolo Mirage Plus (Smartphone)
Service Manual
Page
24
of 40
4.7 Touch Screen issue analysis
TP failure
Replace CPU U600
End
Y
Is TP normal?
Replace TP
N
Is FPC/connector normal?
Resolder or replace
FPC/connector
N
Y
Upgrade firmware
Is the power supply
normal?
Replace U300
Figure 4.7 TP failure repair process
❶
Upgrade new software for the mobile phone;
❷
Check FPC and TP connector (J901);
❸
If
problem still not solved, you need to replace a new TP or CPU (U600);
❹
After repaired, enter
into „Factory Mode‟ by press “Power on” key, volume “-” key the same time. Go to “18
Touch ”
Test TP function