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Download Custom Firmware iOS 4.1 for iPhone 4 [Windows/Mac]

20 October 2010 12 Comments

Update : The latest version of Redsn0w (Windows) can enable that tricky DFU mode on Windows! Macs can use the Pwnage tool to create the custom firmware itself…

Warning : This isn’t for the faint of heart. I did not post a detailed writeup cos’ DFU mode is kinda tricky on this one. If you know what this is and what it means, go ahead and try this. All others, please wait while other Windows users verify this.

The links are all interchangeable and you have all the mirrors you can ever think of! Use hj-split to join the files.

Activated iOS 4.1 Custom Firmware for iPhone 4 [Official iPhone carriers]

iPhone3,1_4,1_8B117_Custom_Restore_Activated_iLikeMyiPhone.ipsw.001 (315 MB)

iPhone3,1_4,1_8B117_Custom_Restore_Activated_iLikeMyiPhone.ipsw.002 (275.27 MB)

Not-Activated iOS 4.1 Custom Firmware for iPhone 4 [T-Mobile,other non-iPhone carriers]

iPhone3,1_4,1_8B117_Custom_Restore_NotActivated_iLikeMyiPhone.ipsw.001 (315 MB)

iPhone3,1_4,1_8B117_Custom_Restore_NotActivated_iLikeMyiPhone.ipsw.002 (275.04 MB)


  • naveed said:

    Kiran, I tried with DFU mode on my iphone 4, error 1601 ? windows 7 PC

  • Kiran said:

    Please use tinyumbrella to kick it out of restore mode. As I mentioned, I haven't tested on Windows and DFU complications exist with Windows. sn0wbreeze may help (once they add iPhone 4 support).

  • lalakis said:

    Hey Kiran, I would like to know which version is for official carriers? The one reading: "[Official iPhone carriers]", reads "Activated" in the description. Shouldn't it be the other way around?!

    Thnx a lot in advance,
    Keep up the good work.

  • Danna Kinsky said:

    If I just bought a brand new unactivated iphone 4 with 4.1 on it, can i join the two files that fit that bill ('Not-Activated iOS 4.1 Custom Firmware for iPhone 4") then where do i go from there?

  • Taniya Bragg said:

    Thanks Kiran For sharing this interesting information.I am happy to visit this site but where do i go from there? for i join the two files that fit that bill 4 with 4.1 unactivated iphone on it.

  • Bian6 said:

    Hi Kiran! I want to know if the version not activated dont upgrade baseband to 2.10.


  • Manna said:

    is that ture? its not going to update baseband because i have unlock iphone 4 i made mistake Erase all content and setting now it went to boot mood not turning back on. I had 4.0.2 🙁 what should i do now any can tell me please.. ;(

  • seuly said:

    @ kiran. I met too. tiny umbrella doesn't see the phone (no connection). What should we do. thank

  • rajesh said:

    my apple logo blinking how to start my iphone 4

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