Sim Card Working - Samsung gt-c3520 Service Manual

Level 3 Repair

8-3-9. SIM Card Working

Insert & Operate
SIM card
NG
SIM301
Break down?
NO
Check the voltage
C328 > 3.0V
Yes
Change Main PBA
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
YES
Change SIM301
No
Check SIM301,C328
8-20