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3.12 Screen Mess
Check LCD FPC connection，
Reassemble FPC if the phone is OK
Replace the LCD，display is ok
Check the EMI Components on
the LCD path of the main board
and if the power supply is ok，
Re-solder EMI filter
Check the components around the LCD
and LCD connector if have a poor
soldering
Screen mess
N
N
N
N
Replace the CPU
Y
OK
Y
LCD fault
Y
OK
Y
Re-solder them
25
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