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Jailbreak iPhone 3GS (Old Bootrom) on iOS 4.1 with PwnageTool

You can now jailbreak iPhone 3GS (old bootrom) on iOS 4.1 with PwnageTool (Unofficial). For those who don't know, Apple just released iOS 4.1 final version which contains baseband update, hence it can't be unlocked via Ultrasn0w. The workaround is to jailbreak your iPhone 3GS via modified / unofficial version of PwnageTool release by Criminal90. Please note that PwnageTool is available for Mac users only and it can't activate your iPhone i-e you will need an oroginal SIM card or Phonebook card to activate the phone before you can unlock it via Ultrasn0w. Moreover, your iPhone 3GS must be on 3.x.x with PwnageTool / Redsn0w or Snowbreeze jailbreak.

Jailbreak iPhone 3GS (Old Bootrom) on iOS 4.1 with PwnageTool (Unofficial)

*Find all download links at the bottom of the post.

  1. *Download latest version of iTunes.
  2. *Download iOS 4.1 for iPhone 3GS
  3. *Download modified PwnageTool
  4. Connect your iPhone to iTunes and sync to backup all of your data including apps, contacts, messages and photos etc
  5. Place PwnageTool, iOS 4.1 IPSW and all other files you downloaded on your desktop.
  6. Launch PwnageTool and click OK to accept the warning message.
  7. PwnageTool Warning Message

  8. Click on iPhone 3GS and hit the next button at the bottom-right of the window.
  9. PwnageTool Select iPhone 3GS

  10. Now PwnageTool will automatically detect iOS 4.1 IPSW file from your desktop and validate it. Incase PwnageTool fails to detect the iOS 4.1 IPSW, click on the Expert Mode button at the top, browse for iOS 4.1 IPSW manually and click next button.
  11. PwnageTool iOS 4.1 Validated

  12. Now PwnageTool will ask Do you have an iPhone contract that would activate normally through iTunes?, choose NO if you are on unofficial carrier and YES if you are on official carrier like AT&T. Remember clicking YES will upgrade your baseband to the latest version.
  13. PwnageTool Carrier Warning

  14. Now PwnageTool will show the final popup after which it will start creating a custom cooked IPSW file on your desktop. Click Yes button to continue.
  15. PwnageTool Final Warning Message

  16. Wait for 4-5 mins while PwnageTool creates a custom IPSW file of iOS 4.1 which will be placed on your desktop.
  17. PwnageTool Creating Custom IPSW

  18. During the creation of custom IPSW by PwnageTool, you will be prompted to enter the Administrator password. Enter your correct Administrator username and password.
  19. PwnageTool Admin Login

  20. Once you see "ihaz Success" on your screen, you are all done!
  21. PwnageTool ihaz Success

  22. Check your desktop, you will see custom IPSW file of iOS 4.1 cooked by PwnageTool for your iPhone.

How to Restore Custom IPSW File of iOS 4.1 with iTunes

Once you have got the custom IPSW file of iOS 4.1, connect your iPhone to your computer and start iTunes. Click on the name of the iPhone on the sidebar of iTunes to go to the summary panel. You will see two buttons i-e "Check for Update" and "Restore". Hold down the SHIFT key (ALT key for Mac) and click on the "Restore" button, browse to the IPSW file of iOS 4.1 which you just cooked with PwnageTool. Sit back and relax while iTunes restore jailbroken iOS 4.1 on your device.

Unlock iPhone 3GS on iOS 4.1 with Ultrasn0w 1.1-1

Once you have jailbreaked iOS 4.1 on iPhone 3GS (Old bootrom), you can now unlock your device by using Ultrasn0w 1.1-1. [Thanks to Ispazio]


  • Make sure repository is added in Cydia for its smooth operation.
  • If you experience any problems with Safari browser, add repository in Cydia.

Download Links:

Download iTunes 10
Download modified / unofficial PwnageTool
Download iOS 4.1 for iPhone 3GS

Update1: Jailbreak iPhone 3G, iPod Touch 2G on iOS 4.1 with Redsn0w 0.9.6
Update2: Jailbreak iOS 4.2 with Redsn0w 0.9.6 on iPhone 3G iPod Touch 2G
Update3: Download Sn0wbreeze 2.0 to Jailbreak iOS 3.1.x, 4.0.x, 4.1 on iPhone 2G, 3G, 3GS (Old + New Bootrom) & iPod Touch 1G, 2G (MC + Non-MC), 3G on Windows

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    Rini5 years, 10 months ago

    Bookmark bars yes!!! The ONLY thing I prefer about safrai.Another thing is a way to view your history has have not worked that out, be nice to see you bring in your other google web browser style of the history as that was so cool but the browsr it self kinda sucked but that with google chrome would be perfect :D

    Semaj8 years, 7 months ago

    i have a iphone 4 thats at&t and runinng on 5.0.1. i am with tmobile and thought i could use it on the carrier i currently have i havent got any help with figuring out how i can get it to work. no one seems sure or confident in what they are talking about. can an expert or somoeone who has a iphone 4 runinng on 5.0.1, who has done it and knows what they’re talking about help me please.