You can create custom iOS 4.1 firmware with PwageTool 4.1 and the custom iOS 4.1 will jailbreak iOS 4.1 on iPhone 4, 3GS, 3G and iPod Touch 4G, 3G.

PwnageTool is available for Mac OS X only. So, only Mac users are able to create custom iOS 4.1 firmware using PwnageTool 4.1. What if you’re on Windows? and do not own a Mac or don’t want to go through the PwnageTool procedure but still wants to jailbreak iOS 4.1 and preserve baseband (in case of iPhone)?? Don’t worry, we have ready made Custom firmware 4.1 for all iDevices just for you.

Below you can download iOS 4.1 Custom firmware for iPhone 4, iPhone 3GS, iPhone 3G and iPod Touch 4G, 3G. These custom iOS 4.1 firmwares are created with PwnageTool 4.1 and can be restored via iTunes. (Download links below)

IMPORTANT

• These custom firmware will provide untethered jailbreak.
• There are two types of Custom Firmwares available for download below.
  • ACTIVATED: These custom IPSW files are for users who want to unlock their iPhone after jailbreak which means they are NOT on Official Carrier.
  • NOT ACTIVATED: These custom IPSW files are for users who are on Official Carrier.
    So make your choice wisely.

How to Install Custom iOS 4.1

1. Download custom firmware (IPSW) (all parts) for your device from links below.
2. Join the splitted custom IPSW file by unpacking them:
   • Mac Users: use BetterZip ( or what ever you want )
   • Windows Users: use HJSplit ( or what ever you want)
3. You’ll get a .IPSW custom firmware.
4. Put iPhone in recovery mode. (How to: put iPhone into Recovery Mode). First time jailbreakers should put their Device into DFU Mode.
5. Press the Shift key for Windows or ALT for Mac and click restore and use the custom IPSW.
6. It will start restoring your iPhone/iPod Touch which may take 10mins and will jailbreak it.
7. iPhone 4, 3GS and 3G users who want to unlock iPhone needs to install UltraSn0w using following guide:
   

   How to: Unlock iPhone 4, 3GS, 3G with UltraSn0w

Disclaimer: These custom firmwares are for testing and educational purposes only. Use them at your own risk. We can not be held responsible if anything goes wrong.

Download Custom iOS 4.1 Firmware (IPSW Files)

iPhone 4 Custom iOS 4.1 Firmware IPSW

Activated (for UnOfficial Carrier Users)

• iPhone3_1_4_1_8B117_Custom_Restore.ipsw.001
• iPhone3_1_4_1_8B117_Custom_Restore.ipsw.002
• iPhone3_1_4_1_8B117_Custom_Restore.ipsw.003

NOT Activated (for Official Carrier Users)

• iPhone3_1_4_1_8B117_Custom_Restore_N_A.ipsw.001
• iPhone3_1_4_1_8B117_Custom_Restore_N_A.ipsw.002
• iPhone3_1_4_1_8B117_Custom_Restore_N_A.ipsw.003

iPhone 3GS Custom iOS 4.1 Firmware IPSW

Activated (for UnOfficial Carrier Users)

• iPhone2_1_4.1_8B117_Custom_Restore.ipsw.001
• iPhone2_1_4.1_8B117_Custom_Restore.ipsw.002

NOT Activated (for Official Carrier Users)

• iPhone2_1_4.1_8B117_Custom_Restore_N_A.ipsw.001
• iPhone2_1_4.1_8B117_Custom_Restore_N_A.ipsw.002

iPhone 3G Custom iOS 4.1 Firmware IPSW

Activated (for UnOfficial Carrier Users)

• iPhone1_2_4.1_8B117_Custom_Restore.ipsw.001
• iPhone1_2_4.1_8B117_Custom_Restore.ipsw.002

NOT Activated (for Official Carrier Users)

• iPhone1_2_4.1_8B117_Custom_Restore_N_A.ipsw.001
• iPhone1_2_4.1_8B117_Custom_Restore_N_A.ipsw.002

iPod Touch 4G Custom iOS 4.1 IPSW

• iPod4_1_4.1_8B117_Custom_Restore.ipsw.001
• iPod4_1_4.1_8B117_Custom_Restore.ipsw.002
• iPod4_1_4.1_8B117_Custom_Restore.ipsw.003

iPod Touch 3G Custom iOS 4.1 IPSW

• iPod3_1_4.1_8B117_Custom_Restore.ipsw.001
• iPod3_1_4.1_8B117_Custom_Restore.ipsw.002

Also checkout:

• AppSync 4.1 : Install Cracked Apps on iOS 4.1
• Save SHSH blobs for iOS 4.1 with TinyUmbrella
• Downgrade iOS 4.2 to iOS 4.1

UPDATES

• Download iOS 4.3 Final
• iOS 4.3 Features
• Downgrade iOS 4.3 to iOS 4.2.1