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8-3-3. Sim Part
Phone can't access SIM Card
C411 is 1.8V or 3.0V?
After Power ON,
Check SIM500 pin3 in a few
After SIM card insert,
check the SIM500 pin4.
signal goes high frequently?
Check the SIM Card
(look over if it get damaged.)
Yes
Yes
seconds.
Yes
Yes
Yes
END
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
No
Re-solder or change the SIM500
No
Re-solder or change the U401
No
8-13
Level 3 Repair
Confirm an another PBA
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