8. Level 3 Repair
8-4-5. Charging Part
TA / USB Insert
Charging Sequence
Start CHG_IN_5V
(C5107) = 5V ?
Check the USB_V
BUS
(C5115 ) >= 5V ?
Battery is Charging ?
END
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No
Yes
No
Yes
No
Yes
Change to the new IF PMIC
Change to the new SIM card,
http://www.easy-firmware.com
Check the UCP400 (Crack etc)