"enter a new sim" - new phone

Discussion in 'iPhone Tips, Help and Troubleshooting' started by Superman041, Feb 13, 2015.

  1. Superman041 macrumors regular

    Joined:
    Jul 16, 2011
    #1
    Upgraded with O2 in the UK. They gave me a new sim and I had to unlock it, going online entering the number on the back of the new sim etc. I've done that but on the new iPhone it says "enter a valid sim"

    Now on the O2 site it says you'll know once it's transferred once your old sim stops working.
    It has but the new sim doesn't work as I'm being asked to enter a sim..

    Any ideas?
     
  2. Bomb Bloke macrumors regular

    Bomb Bloke

    Joined:
    Feb 12, 2015
    Location:
    Tasmania (AU)
    #2
    It could be the fault is with the SIM, it could be the fault is with the phone.

    Often iPhones will refuse to recognise new SIMs you insert. Try hard-rebooting the phone (hold the home button along with the power button until it turns off, then keep holding until it starts to boot up again). Do this once with the SIM inside the phone, and if that doesn't work, do it again while leaving the SIM card out.

    Failing that, you'll want to see if a different handset can recognise the card, or if your handset can recognise a different card.
     

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