How to find out if an iPhone 5 has a bad ESN/IMEI?

Discussion in 'iPhone' started by richaye, Feb 25, 2014.

  1. richaye macrumors newbie

    Joined:
    Nov 7, 2013
    #1
    A family member has an iPhone 5 that was blocked for not paying their bill.

    Does that mean it has a bad ESN or IMEI? What is the difference?

    Thanks
     
  2. GoCubsGo macrumors Nehalem

    GoCubsGo

    Joined:
    Feb 19, 2005
  3. CEmajr macrumors 601

    Joined:
    Dec 18, 2012
    Location:
    Charlotte, NC
    #3
    They're almost the same thing. Bad ESN applies to CDMA networks like Verizon and Sprint who use ESNs to identify their phones.

    Bad IMEI applies to GSM networks like AT&T and T-Mobile who use IMEIs to identify their devices.

    Being blocked for non-payment means unusable no matter what carrier unless the original owner pays his/her debts.
     

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