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Download Custom Firmware iOS 4.1 for iPhone 3GS [Windows/Mac]

20 October 2010 65 Comments

Update : The latest version ofย 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 3GS iPhone [Official iPhone carriers]

iPhone2,1_4.1_8B117_Custom_Restore_Activated_iLikeMyiPhone.ipsw.001ย (200 MB)

iPhone2,1_4.1_8B117_Custom_Restore_Activated_iLikeMyiPhone.ipsw.002ย (178.21 MB)

Not-Activated iOS 4.1 Custom Firmware for 3GS iPhone [T-Mobile,other non-iPhone carriers]

iPhone2,1_4.1_8B117_Custom_Restore_NotActivated_iLikeMyiPhone.ipsw.001 (200 MB)

iPhone2,1_4.1_8B117_Custom_Restore_NotActivated_iLikeMyiPhone.ipsw.002ย (177.89 MB)


  • Dave said:

    What about a 3G version??
    Pretty please ๐Ÿ™‚

  • Boonsattha said:

    Yes, what about 3G?
    Please ๐Ÿ™‚

  • Kiran said:

    I would stay away from custom firmware cos' it is giving issues for many. Try sn0wbreeze…

  • Kiran said:

    Looks like others are having issues with custom iOS firmware on 3GS and iPhone 4. Try sn0wbreeze for your 3G. It is pwnage tool for Windows!

  • guna said:

    Dont use Not-Activated iOS 4.1 Custom Firmware for 3GS iPhone :: almost bricked my 3gs.. Not working on Windows

  • Mr.y said:

    Almost bricked?

  • user said:

    totally agree with you. Now I am stuck with DFU mode ???

  • 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.

  • dudevatsan said:

    I am not on an official carrier, which one should i download? activated ipsw or not activated ? The names should be the other way around, no ?

  • user said:

    error 1601, now suck with dfu mode ?????

  • Mr.y said:

    use recboot to kick out of recvry… gd luck…

  • user said:

    did not work ?
    First when I restore it, progress bar reached at 99% and got stuck and now error 1600 ???

    Any help ???

  • Mr.y said:

    wat happen after u used recboot?u must right click and run as admin…

  • user said:

    recboot works fine, it reboots the device and again goes to same recovery mode ?

    I am really stuck with recovery mode, tried on almost 4 different pc/ mac ?? still no luck….

  • javokhir said:

    please stop posting and adding custom firmwares, you make people test your beta and suffer.

    3GS without shsh blobs saved is impossible.

    long ago I used to get new info and software from this site, but now this site is some kind of rubbish.

    you know everything before posting shit by adding all custom firmwares that don't work.

  • Kiran said:

    Hey! Please chill, I clearly mentioned in bold that DFU in Windows machines is different and may not work. There is a warning for a reason. I will take them down over the weekend after I personally test on other Windows systems in various scenarios. Thanks for taking the time to post your feedback.. Cheers!

  • iphon3tech said:

    does anyone actually check the devteam site anymore. or follow twitter. all the info you need is right there. seriously

  • Marcin Szatkowski said:

    Kiran, what are your plans for posting custom firmware for the neares future? Will there be a 4.1 release or are you waiting for the 4.2? Cheers

  • Alpesh panchal said:

    can u pls add iOS 4.1 for iphone 2g-1gen with unlock for india

  • @baro69 said:

    something wrong here? "not activated" should be used with official iPhone carriers AFAIK

  • Taniya Bragg said:

    what is the difference between 3gs unlock 3.1 and 4.1 Unlock?

  • Arun said:

    Do you have a 4.1 for iPhone3G? I dont see the custom firmware for this version I am following your site from long time.
    Thanks for the info you put here

  • Kiran said:

    iPhone 3G and 4.X firmware aren't great matches in my experience. 3.1.3 is the best. 4.2.1 hijacked the battery and the speed is unbearable….

  • pablo said:

    I'm having troubles joining the 3gs Activated version
    The file size after join is 204MB?

    , anyone?

  • Kiran said:

    You must have not downloaded the file completely. You have to download them fully before joining them.

  • chrisrhiemeier said:

    u are downloading with safari prob. try with firefox. safari changes size after download.

  • deea said:

    ๐Ÿ™ is not working.

  • pm1 said:

    whats the baseband on this custom firmware?

  • Kiran said:

    Baseband is not updated, which means whatever baseband you currently have will be the baseband after this firmware.

  • Iphone 3GS 3.1.3 with Baseband 5.12.01 - Page 2 - ModMyi Forums said:

    […] following the step given by iYeow and meant to download the stock 4.1 firmware I got the below link Download Custom Firmware iOS 4.1 for Apple iPhone 3GS | iLikeMyiPhone Guess I am using the wrong one(Already customized) Is it the one from below I need to use? […]

  • jfg said:

    it works. Just use redsn0w for special DFU

  • zoumaxx said:

    I have an iphone 3gs , it starts restoring but when arrives to rostoring the iphone microprogramm itunes shows the 1015 error ! anyone can help ?!

  • rahul said:

    use tiny umbreela for fix 10xx error

  • Dream said:

    I have 3GS 8 GO blocked but When I try to restore it using iTune I got 1641 error message. Can any help me please

  • ForoiPhone said:

    […] […]

  • Shannnon said:

    Which one do i click on for my iphone 3g?

  • abdelo said:

    hello if itunes show the error 1015 ur iphone its done all u have to do to finish the restore is download fixrecovery ad download zlib1.dll and put tow tham on the same place on ur computer than lunch fixrecovery and start duf mode on ur iphone wait 10 min it will done

  • snoopytruk said:

    Hi can you please tell me how you got the 1015 error on your phone as I have a 3gs & cant get it up

  • deea said:

    :((( Is not compatible.. what should I do ?

  • deea said:

    firmware version is not compatible with my iPhone 3Gs, what else should I do !! Somebody help me !

  • danz said:

    download a custom firmware and restore then jailbreak

  • asmar said:

    i cant fix 3194 error on my 3gs ๐Ÿ™

  • tdm said:

    make a custom ipsw with sn0wbreeze and install it with iTunes

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