NOTE: Your device must be jailbroken, and activated with original SIM for this to work if you have jailbroken using JailbreakMe 2.0. Alternatively, follow the guide posted here to learn how to activate your phone without having to use the original SIM card.
iPhone 4 users though will have to wait for the next 48 hours before a new Ultrasn0w update is released which can jailbreak this new device. Stay tuned as we will let you know as soon as it is available for download, along with complete guide on how-to unlockyour iPhone 4. In the meantime, you check out the following tutorials to jailbreak iOS devices using JailbreakMe 2.0.
How to: Jailbreak iPhone 3G on iOS 4.0.1:
Step 1: Follow the complete guide posted here to jailbreak your iPhone 3G using Redsn0w 0.9.5b5-5 on iOS 4.0.1.
How to: Unlock iPhone (Any Baseband) on iOS 4.0.1:
Step 2: Once you are done with the jailbreak, you can now unlock your iPhone on any baseband using ultrasn0w 0.93 from Cydia. To do this:


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

Step 3: Now simply restart your iPhone and voila! you should now have a fully unlocked iPhone 3G on iOS 4.0.1.
Disclaimer: This guide is for testing & educational purposes only. I’m not responsible for any loss of important data or malfunctioning of your iPhone
You can follow me on twitter or join our facebook fanpage to keep yourself updated on all the latest jailbreaking and unlocking releases.
iPhone 4 users though will have to wait for the next 48 hours before a new Ultrasn0w update is released which can jailbreak this new device. Stay tuned as we will let you know as soon as it is available for download, along with complete guide on how-to unlockyour iPhone 4. In the meantime, you check out the following tutorials to jailbreak iOS devices using JailbreakMe 2.0.
How to: Jailbreak iPhone 3G on iOS 4.0.1:
Step 1: Follow the complete guide posted here to jailbreak your iPhone 3G using Redsn0w 0.9.5b5-5 on iOS 4.0.1.
How to: Unlock iPhone (Any Baseband) on iOS 4.0.1:
Step 2: Once you are done with the jailbreak, you can now unlock your iPhone on any baseband using 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” and then on “Add”. You will be prompted to enter a url source as seen in the screenshot below. Type “http://repo666.ultrasn0w.com” and touch on“Add Source”.
Cydia will now automatically update your sources by following a series of automated steps.
- After installation is completed. Search for “ultrasn0w 0.93” in Cydia and install this application. This app will automatically unlock your iPhone so that you can use it with any carrier.
Step 3: Now simply restart your iPhone and voila! you should now have a fully unlocked iPhone 3G on iOS 4.0.1.
Disclaimer: This guide is for testing & educational purposes only. I’m not responsible for any loss of important data or malfunctioning of your iPhone
You can follow me on twitter or join our facebook fanpage to keep yourself updated on all the latest jailbreaking and unlocking releases.
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