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SGH-E810 Flow Chart of Troubleshooting
3. SIM Part
"Insert SIM" is displayed on the LCD
NO
Is there any signal
Check the U304
pin #52,53,54 of U100 ?
YES
Is there any signal
NO
Check the U100
pin #1,2,3,6 of CN100 ?
YES
Check the SIM Card
END
2-3
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