Orijinal gönderinin sahibi: mauriespierre ,
Hello! SIM cards can fail sometimes, even after short life (it happened to me). Before gutting the phone, I think you should diagnose a bit : test it with a SIM card that's known to work. Ask a friend/relative/colleague to borrow you theirs so you can test it in your phone to make sure wether the problem is the SIM card or the device. Good luck!