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8. Level 3 Repair
8-4-15. MST
MST is not working
Yes
No
No
Enable MST Function.
Yes
No
END
Yes
No
No
1. Resolder or Replace
ANT8002, ANT8004
2. Replace REAR
Yes
No
No
Charging the Battery
Yes
No
No
Resolder or Replace U8025
Yes
No
No
Check MST function ON
Resolder or Replace U8025
Check the Status of U8025
Type *#0*# -> MST Test On
Check voltage on C8129
Check the battery level
Battery >= 5%
Check the Antenna contact
ANT8002, ANT8004