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Ultrasn0w Not Working on Jailbroken iPhone 3GS Running iOS 5

Hello Jaxov team, I have just jailbroken my iPhone 3GS on iOS 5 using the latest version of Redsn0w. My iPhone is running iPad baseband 06.15.00 and I have already installed Ultrasn0w from Cydia but unfortunately my iPhone still seems to be locked to AT&T. Can anyone please help me to get it unlocked? Thanks in advance.

Asked by: Ricky from Atlanta, Georgia

Hello Ricky, what version of Ultrasn0w have you installed on your jailbroken iPhone 3GS? If you aren’t sure about its version, I would recommend you to uninstall it from Cydia (under Manage tab) and then install Ultrasn0w 1.2.4. You can refer to this tutorial on how to download and install Ultrasn0w. After installing, just simply boot your iPhone into tethered mode and then check your device.

Additionally, make sure that you have activated your iPhone using iTunes after jailbreaking and unlocking it. You can activate your iPhone using iTunes by inserting the original AT&T SIM card, or you can use SAM app to activate your iPhone. You can refer to this guide on how to activate iPhone using SAM app.

Lastly, in most cases, re-flashing of the iPad 06.15.00 baseband on jailbroken iPhone 3GS is necessary. So I would recommend you to reflash your baseband using Redsn0w and then reinstall Ultrasn0w 1.2.4. Good luck!

Install Ultrasn0w 1.2.4

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