How can I update my jailbroken iPhone to the latest version of iOS?

boombox November 28, 2011
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I am using an iPhone 3GS that is jailbroken and uses iOS version 4.1. How can I update my phone to the latest version?

  1. Jeff Hamilton
    July 19, 2012 at 1:44 am

    Back up your phone.
    Un-jailbreak your iPhone. (Reset to factory settings in your settings menu.)
    Update with iTunes.
    Re-jailbreak your phone.
    Restore your backup.
    Enjoy the rest of your day!

  2. luz
    June 25, 2012 at 9:51 pm

    i have the same situation did u find a way to upgrade

  3. Richard Carpenter
    November 29, 2011 at 2:26 am

    Basically you would need install the image, IPSW, for the latest firmware that has been released. 

    This guide should help : http://www.coolestguyplanet.net/upgrade-jailbroken-iphone-to-ios-5-and-preserve-baseband-with-redsn0w/#bootrom

    Also a video about updating iDevices:http://www.youtube.com/watch?v=_DBBHjxQgrA