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Restoring without updating to new software

  • 04-01-2012 9:00pm
    #1
    jonseyblub
    Registered Users, Registered Users 2 Posts: 360 ✭✭


    Hi,
    I've recently upgraded my phone. Since it was an upgrade i was allowed by three to unlock my iphone 4. I was told to restore from Itunes with a non-3 sim. When I do this the software updater tries to install 5.01. I already have 5.01 on the iphone and even when its in itunes it says that its up to date. I could run through the whole updating process but the file size is approx 750 mb and I've a slow enough connection. Is there any other way i could do this?


Comments

  • #2
    Harcrid
    Registered Users, Registered Users 2 Posts: 1,310 ✭✭✭Harcrid


    You should not have to reinstall the OS. Connect up to iTunes which should activate the unlock. Test it out with a different sim.


  • #3
    biko
    Registered Users, Registered Users 2 Posts: 81,220 ✭✭✭✭biko


    If that doesn't work you can download it somewhere else and put it on a USB and transfer to your pc that way.
    Then hit shift and click restore to get the option to pick your own file to restore phone with.

    You can get the sw here http://appldnld.apple.com/iPhone4/041-3309.20111109.64rtg/iPhone3,1_5.0.1_9A405_Restore.ipsw 791 mb


  • #4
    CathalDublin
    Registered Users, Registered Users 2 Posts: 4,147 ✭✭✭CathalDublin


    Manually download the firmware from felixbruns.de
    Click restore while holding shift and select the downloaded 5.0.1 firmware.
    The official unlock takes a couple of days to come through on iTunes


  • #5
    jonseyblub
    Registered Users, Registered Users 2 Posts: 360 ✭✭jonseyblub


    Thanks for the replies.
    Celtxx wrote: »
    You should not have to reinstall the OS. Connect up to iTunes which should activate the unlock. Test it out with a different sim.


    I was told by the mods on three that i should do a restore. I have tried with a different sim and still no joy. The unlock was activated about 2 weeks ago but i only got my hands on a meteor microsim yesterday. It is saying sometimes no service and then other times invalid sim. Maybe its a dud sim card?


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