1. AC Question's Avatar
    I can't make calls or txt on my s4 since a few days ago. Every Sim I insert it tells me "network not registered... what does this mean? And please what do I do?
    04-02-2017 04:20 AM
  2. mhinc's Avatar
    I can't make calls or txt on my s4 since a few days ago. Every Sim I insert it tells me "network not registered... what does this mean? And please what do I do?
    Typically it means one of three things

    1. You are trying to enter a SIM card from another provider and your phone is not unlocked.
    2. If your phone is unlocked, and you have used multiple sim cards, it could be a hardware issue with your SIM slot.
    3. The SIM cards are simply not registered anymore on whatever provider they are with.
    04-02-2017 04:54 AM

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