1. farhan dull's Avatar
    I have Samsung galaxy tab 4 8.0 model number sm-t237p but it is sim lock and when I insert sim it said invalid sim and I also updated it to lollipop so kindly help me to unlock it's sim lock Thank you!

    Posted via the Android Central App
    03-25-2016 04:54 AM
  2. ratsttam's Avatar
    You need to go to the carrier that it's locked to, and if all the requirements are met (paid off, no contract time left, etc), then they should unlock it for you.
    03-25-2016 05:04 AM

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