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Jailbroken Iphone 3GS stopped reading sim card?

Discussion in 'iPhone - General discussion' started by Lactis, Aug 27, 2012.

  1. Lactis

    Lactis Member

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    So I have a JB 3Gs that I was using with my T-mobile sim card and was working fine, the firmware is 5.0.1. It keeps saying invalid sim. It just happend out the blue, notice I wasn't getting any service, turn air plane mode on and off, then got the invalid sim notification. The sim card works fine, as I have it in my old flip phone atm.
     
  2. supercopy

    supercopy Member

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    Were you originally on iOS 5.0.0, and perhaps accidentally allowed the device to update itself to 5.0.1 (without even having to plug into a computer)? That could mess up your jailbreak.

    Also, I presume you preserved the firmware on your baseband modem to a version <= 5.13 ? Check whether it got updated to a non-unlockable version behind your back.
     

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