Thread: Ultrasn0w Unlock for iPhone 3GS on iOS 4 Released

The official ultrasn0w unlock has been released by iPhone Dev Team for iPhone 3GS, with older bootrom running 04.26.08 baseband on iOS 4.0 (formerly iPhone OS 4). For those of you who preserved their baseband by jailbreaking iPhone 3GS on iOS 4 using PwnageTool can now unlock, provided that your phone is running the older 04.26.08 baseband.




ote: As mentioned above, this is strictly for iPhone 3GS on iOS 4.0, with 04.26.08 baseband only. If you are on 05.11.07 baseband, then you need to use blacksn0w RC2, the guide for which is posted here. If you are on 05.12.01 baseband, you will need to wait for the end of June to get your phone unlocked.

How to: Jailbreak iPhone 3GS on iOS 4:
Step 1: Follow the complete guide posted here to jailbreak your iPhone 3GS using PwnageTool bundles on iPhone firmware 4.0.

How to: Unlock iPhone 3GS 04.26.08 Baseband on iOS 4:
Step 2: Once you are done with the jailbreak, you can now unlock your iPhone


3GS running custom iOS 4.0 firmware by using ultrasn0w 0.92.1 from Cydia. To do this:

Start “Cydia” on your iPhone.
Touch on “Manage” tab on the bottom.
Now touch on “Sources” as seen in the screenshot below:




Cydia will now automatically update your sources by following a series of automated steps.

After installation is completed. Search for “ultrasn0w 0.92” in Cydia and install this application. This app will automatically unlock your iPhone 3GS so that you can use it with any carrier.

i dont even care about ios4 on the 3gs thats not were the impending doom lies its about wether it can be jailbroken or not on the 4

Originally Posted by Dienamickz

i dont even care about ios4 on the 3gs thats not were the impending doom lies its about wether it can be jailbroken or not on the 4

From what I can gather, ios4 can be jailbroken, and a jailbreak should be released at the end of the month. Wether it materialises then or not is another thing but there will defeinetily be a jailbreak for it.