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Help sim card invalid problem
hello guys today i bought the optimus gt540, and played with it for a while without a sim card in it. later when i inserted a brand new sim card, the phone didnt recognise it, says invalid card. the card works on other phones, and other cards work in the optimus. i also put a pin code...- mp303
- Thread
- lg optimus (gt540)
- Replies: 6
- Forum: Smartphones