1. ufoDziner's Avatar
    I just got a Z10 from Groupon. It was sold as unlocked, but when I put my carrier's (t-mobile) sim card in, no network is available. The OS suggests that it's originally from att's network. The SIM Card settings also lists an "Unlock Network" button. I have requested an unlock code from att, but have a question.

    If I update the OS to, will the phone still need unlocking?

    Thanks in advance.
    05-22-15 10:24 PM
  2. BB-JAM215's Avatar
    Your phone will still need to be unlocked regardless of what version OS you have. Why 10.3.2? It's not an official release and there is no way to revert back to a earlier version if you have a problem with it. 10.3.1 is the latest official OS and should work just fine on your Z10.
    05-22-15 11:19 PM
  3. raino's Avatar
    Yes. Changing OS won't SIM unlock your phone (or lock it, for that matter.)
    05-22-15 11:20 PM
  4. ufoDziner's Avatar
    Thanks guys, I figured as much.
    05-23-15 11:04 AM

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