SAMSUNG Proprietary-Contents may change without notice
Level 3 Repair
8-21
This Document can not be used without Samsung's authorization
8-3-7. SIM Card Working
SIM500
Break down?
NO
Change SIM500
YES
No
Yes
C505
= 3.0V
NG
Check SIM500
& Neighboring Circuits
Insert & Operate
SIM card
Change PBA