IPHONE 12 PRO
NO IMEI UNABLE TO ACTIVATE
PROCEDURE
-Trace all power rails of baseband cpu
(Diode mode )
-found out PP_3V1_LDO10 short to GNDNO IMEI UNABLE TO ACTIVATE
PROCEDURE
-Trace all power rails of baseband cpu
(Diode mode )
-Inject voltage 2V and 5A on C755_E
on thermal cam we saw C503_E heats up
-just remove C503_E
-finish product thanks
