Download iOS 4.1 Custom Firmware for iPhone 4,3GS,3G

October 24, 2010 11:48 pm /

iPhone Dev Team has released PwnageTool 4.1.2 to jailbreak iOS 4.1. One of the major advantage of PwnageTool 4.1.2 jailbreak tool is that it let you create custom firmware which you can use to jailbreak iPhone 4, iPhone 3GS, iPhone 3G on iOS 4.1. You can alternatively build iOS 4.1 custom firmware if you do not get successful in creating one.

ios 4.1 custom firmware for iphone 4, iphone 3gs, iphone 3

Download iOS 4.1 Custom Firmware

Step 1: Download the following iOS 4.1 custom firmwares

Download custom firmware for iPhone 4 on iOS 4.1

Firmware Part 1, Part 2, Part 3

Download custom firmware for iPhone 3GS on iOS 4.1

Firmware Part 1, Part 2

Download custom firmware for iPhone 3 on iOS 4.1

Firmware Part 1, Part 2

Step 2: Join all the parts of respective firmware for your iOS devices using HJSplitter or BetterZip

Step 3: Start iTunes 10 and put your iPhone into DFU mode

Step 4: Once your iPhone is in DFU mode click on iPhone icon and quickly hold left ‘Alt’ button and click on ‘Restore’ option on left side. Now release ‘Alt’ button. It will automatically restore your iOS 4.1 custom firmware on iPhone.

That’s it! You’ve successfully installed iOS 4.1 custom firmware on iPhone. This will also jailbreak your device. Use ultrasn0w to unlock your iOS devices.

Posted in: Gadget, iPhone, Tutorial

5 Thoughts on “Download iOS 4.1 Custom Firmware for iPhone 4,3GS,3G”

  1. Janek on October 31, 2010 at 9:38 pm said:

    can I do this on windows? I have downloaded firmware.

  2. nana on November 2, 2010 at 5:18 am said:

    it is helpful

  3. Jaime on November 5, 2010 at 6:43 am said:

    so then this custom firmware will not update baseband ????

  4. insonmania on December 12, 2010 at 4:31 am said:

    baseband will not upgrade.. ;)

  5. Dan on January 29, 2011 at 7:56 am said:

    Is this custom firmware for the 3gs, activated or not activated?

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