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Thread: Is there any way to upgrade my iPhone 4 firmware?

  1. #1
    Default Is there any way to upgrade my iPhone 4 firmware?
    Hey everyone. Hoping someone can guide me in the right direction with a firmware update. I've got a iphone 4 running 4.0.1 (yeah i know it's old), with BB 1.59.00. How far can i update the firmware on this thing and what would be the best way to go about it? Will I need to do it in steps and get to 4.1 then 5 etc. My carrier is T-mobile if that is needed. I haven't done an upgrade and unlock in a while, and I just don't want to mess it up. Thanks for any help.

    Christian

  2. #2
    Sug Luv Super Moderator 2k1's Avatar
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    Depends on what blobs ya have saved for the phone depends on what firmware ya can go to

  3. #3
    Thanks for the reply. I'm pretty sure I have no blobs saved for it. I'm also fairly certain I never did a firmware upgrade since I bought the phone many moons ago. I guess I'm basically starting from scratch, aside from the fact that it was already unlocked when I got it.

  4. #4
    Sug Luv Super Moderator 2k1's Avatar
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    You can stay where ya at. Or update to 6.1.3 and there will be a tethered jailbreak

  5. #5
    Gotcha. Let me ask this...what's the highest OS I could upgrade to without having a tethered jailbreak, and is there a good write up somewhere on how to go from such an old firmware to a relatively new version?

  6. #6
    Sug Luv Super Moderator 2k1's Avatar
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    Without blobs on the phone ya have if you update you will be at 6.1.3 and that is a tethered jailbreak

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