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9-4. Sim Part
Phone can't access SIM Card
CN601 pin 11,14 = "H"?
After Power ON,
Check SIMCLK Signal on
pin7 of CN601 in a few second
After SIM card insert,
CN601 pin 13 = "H(SIM_RST)"?
Check the SIM Card
Yes
Yes
Yes
Yes
Yes
END
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
No
Resolder or replace U303
No
No
9-7
Flow Chart of Troubleshooting
Check the Clock
Replace PBA
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