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SGH-E710 Flow Chart of Troubleshooting and Circuit Diagrams
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3. SIM Part
Is there any signal
pin #52,53,54 of U100 ?
Check the U303
"Insert SIM" is displayed on the LCD
END
Check the SIM Card
YES
NO
NO
YES
Is there any signal
pin #1,2,3,6 of CN100 ?
Check the U100