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Flow Chart of Troubleshooting
9-24
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9-1-7. SIM Card Working
Insert & Operate
SIM card
SIM500
break down ?
Check SIM500, R515
& Neighboring Circuits
Change SIM500
Check SIM500
& Neighboring Circuit
Change U500(PMIC)
NG
NO
1pin in SIM500
= High ?
NO
YES
YES
YES
NO
1pin in SIM500
= 3.0V ?