Samsung galaxy S2 GT-I9100 Insert Sim Card Not Working Solution Schematic,Circuit,Diagram
Samsung galaxy S2 GT-I9100 Insert Sim Card Not Working Solution Step By Step
Step 1
Check the Pin Soldering
of SIM300
Resoldering and recheck
Check the SIM Voltage.
(R312) >= 1.8 or 3.0?
Change to the new SIM card.If it doesn`t still work SIM card after changeingthe SIM card, Check the UCP300 (Crack etc)Step 3
END
Unofficial Support Site For This Phone By welcome Zone Haldwani
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