LG LG-A270 - Page 71

4. TROUBLE SHOOTING
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Does the SIM
cardsupport 3V or 1.8V ?
Change the SIM Card. Only
supports 3V or 1.8V SIM card.
No
SIM Card will workproperly.
Yes
Check the voltageLevel at
TP1 Is 3V or 1.8V?
Yes
Change the SIM Card. Or Re-download
Or Re-solder J200
No