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SGH-X100 Flow Chart of Troubleshooting
7-
7
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4. Sim Part
CN400 pin 1,5 = "H"
Phone can't access SIM Card
Replace PBA
Check the SIM Card
END
No
Yes
Yes
Yes
No
Replace PBA
After Power ON,
Check SIMCLK Signal on CN400
pin3 in a few second
Yes
No
Replace PBA
After SIM card insert,
CN400 pin 2 = "H(SIMRST)"