Flow Chart of Troubleshooting
9-4. Sim Part
Phone can't access SIM Card
Yes
Check the pin 1 of SIM300
Voltage = 3V
Yes
Check the SIM connector's
(SIM300)
connector's to SIM card
Yes
Check the circuit around SIM300
input circuitry
Yes
END
No
No
No
①
Check the circuit related to SIM300
②
resolder or change SIM300
③
Check the related circuit of SIM300
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
