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How To Jailbreak & Unlock 4.3 on iPhone 3GS (Untethered)

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Published on Mar 27, 2011

This video tutorial will show you how to jailbreak and unlock the iPhone 3GS on firmware 4.3 using Sn0wbreeze and Ultrasn0w. This jailbreak is untethered for the iPhone 3GS with an old bootrom. iPhone 3GS's with the new bootrom have a tethered jailbreak.

Add this source to Cydia and install Ultrasn0w (if it has not already been added): repo666.ultrasn0w.com

Ultrasn0w will unlock the iPhone 3GS on the following basebands:
01.59.00
04.26.08
05.11.07
5.12.01
5.13.04
06.15.00

Download Sn0wbreeze v2.3b4: http://hotfile.com/dl/110970596/fe3ea...

Download the iPhone 3GS 4.3 firmware: http://www.felixbruns.de/iPod/firmware/

Note: If you rely on an unlock to use your iPhone, then you will need an official SIM card (such as an AT&T SIM) in order to activate the phone. Sn0wbreeze does not automatically activate the iPhone.

This video tutorial will show you how to jailbreak any device on firmware version 4.3 using Sn0wbreeze. This jailbreak will also enable multi-touch gestures on 4.3.

This jailbreak works on the following devices:
iPhone 4
iPhone 3GS (new and old bootrom)
iPod Touch 4G
iPod Touch 3G
iPad 1G

This jailbreak is an untethered jailbreak only for the iPhone 3GS with the old bootrom. This jailbreak is a tethered jailbreak for all other devices.

Download Sn0wbreeze v2.3b4: http://hotfile.com/dl/110970596/fe3ea...

Download the 4.3 firmware for your device: http://www.felixbruns.de/iPod/firmware/

Note: If you have iPhone and you rely on an unlock, then you will need an official SIM card to activate the phone.

If you have the iPhone 3GS with a new bootrom (tethered jailbreak), then you will need to boot your device with iBooty after jailbreaking. Watch this video for instructions on how to boot up your device: http://www.youtube.com/watch?v=oBMjNH...

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