1. hkwong's Avatar
    How to Upgrade iPhone 4 to ios 6.1.2 instead of 6.1.3?
    1. How do I upgrade my iPhone 4 (ios 4.1, not jailbroken) to ios 6.1.2 instead of 6.1.3? Some say that it needs to download 6.1.2 firmware first and use iTunes and press shift+update and choose the downloaded firmware. Will this work? Do I need to put the device into DFU mode?
    2. I have another iPhone 4 which its ios is 6.1.3 now and I don't save any ssh using tinyumbrella or other tools for degrading purposes. I have neither do a backup before using iTunes. Can I restore the device back to its factory firmware (ios 4) using iTunes and jailbreak it/ update to ios 6.1.2 and jailbreak it?
    05-15-2013 08:37 AM
  2. Just_Me_D's Avatar
    Assisting you is important to us and there are times when the members of this community who can best provide you with assistance to your particular issue or concern may not be available at the time of your post so please be patient while awaiting a reply. In the meantime, feel free to peruse the various sections of the iMore forum as well as the iMore Blog and check back periodically for a reply to your post. Thank you.
    05-15-2013 08:45 AM
  3. RemmyZero's Avatar
    I was able to do this on my older iP4 (upgrade to 6.1.2) but you need to use greenp0ison to create a pre-jailbroken IPSW of 6.1.2 if I recall. You will not be able to just upgrade to 6.1.2 using iTunes alone. If you google around there are some instructions on this. It's fairly simple to do. Just download the 6.1.2 IPSW and greenp0ison and follow the prompts when you run the program.

    Regarding your phone on 6.1.3 I believe you are out of luck for going back to iOS 4 but I would do some googling to be sure.
    05-15-2013 09:32 AM

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