The official ultrasn0w unlock is now offered for iOS 4 which works on all basebands including 05.13.04 as well as 05.12.01 on iphone 3GS as well as iphone 3G. since there is no jailbreak offered yet for iphone 3GS with new bootrom, you cant unlock it as even though the baseband is unlockable. This is since unlock counts on jailbreak. So if you have an iphone 3GS with new bootrom as well as you depend on an unlock, it is finest to prevent iOS 4 (formerly iphone OS 4) for now.

Else, just comply with the guide published below to unlock your iphone 3GS (old bootrom, as well as already pwned on 3.1.2 with anything other than Spirit) as well as iphone 3G on any type of baseband from 04.28.08, 05.11.07, 05.12.01 to 05.13.04.

How to: Jailbreak iphone 3GS as well as 3G on iOS 4: step 1: comply with the total guide published right here to jailbreak your iphone 3GS utilizing PwnageTool 4.0/4.01 on iOS 4.0. For iphone 3G, comply with the guide published right here to jailbreak on iOS 4 utilizing Redsn0w.

How to: Unlock iphone 3GS as well as 3G (Any Baseband) on iOS 4: step 2: when you are made with the jailbreak, you can now unlock your iphone 3GS as well as 3G on any type of baseband utilizing ultrasn0w 0.93 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:

Touch on “Edit” as well as then on “Add”. You will be prompted to go into a url source as seen in the screenshot below. type “” as well as touch on“Add Source”.

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

After installation is completed. browse for “ultrasn0w 0.93” in Cydia as well as set up this application. This app will automatically unlock your iphone 3G as well as 3G to ensure that you can utilize it with any type of carrier.

Step 3: now just restart your iphone as well as voila! you should now have a completely unlocked iphone 3GS as well as 3G, on iOS 4.

You may likewise like to inspect out:

AppSync 4.0 now offered for iOS 4.0 Jailbroken Devices

Fix 1604, 1600 error during iOS 4 custom Firmware bring back in Tunes

Unlocked iphone 4 offered in UK, France as well as Canada

How to Unlock iOS 4 with Ultrasn0w as well as Blacksn0w on 05.13.04 Baseband

How to Jailbreak iOS 4.0 on iphone 3GS, iphone 3G as well as iPod touch 2G utilizing Redsn0w, PwnageTool 4.0 (Windows)

You can comply with me on twitter or join our facebook fanpage to keep yourself updated on all the latest jailbreaking as well as unlocking releases.