I am using Samsung Galaxy Premier(I9268) running CM 12.1. Several days ago, after some reboot, the phone Suddenly not recognize the SIM card. I have tried to use older updates, they all don't work. I have also tried to use the SIM on another phone, it is alright, proving that the SIM is OK to use. Can anyone tell me what problem I am having or help me solve that? Thanks a lot.

  • Have you tried carefully cleaning the SIM and socket and reseating it? – Paul Ratazzi Jan 11 '16 at 2:18
  • yes, of course. Though I am done now by flashing to stock image in 4.1.2, I am still curious about that recognizing problem. – Chromium Jan 11 '16 at 6:04
  • It works in stock 4.1.2, but not working in cm12/12.1 – Chromium Jan 17 '16 at 3:21

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