Jailbreak iPhone OS 3.0
Redsn0w
redsn0w is an easy to use, multi-platform, multi-device jailbreaking and unlocking (iPhone 2G only) tool for the iPhone 2G (original iPhone), the iPhone 3G (but not the 3GS) and also the iPod touch (first and second generation). Currently it is available for Windows and Mac OS X (there are some issues using redsn0w with OS X PPC, please use an Intel Mac until DevTeam have this problem resolved).
- This is for PC version only, Mac version Pwangetool is here.
- DO NOT use Redsn0w if you are using a 3G iPhone with yellowsn0w unlock and rely on unlocking to get cellular service!
- Now you can use Ultrasn0w to unlock iPhone 3G with OS 3.0
Preparation
- Redsn0w 0.7.1 for Windows, for Mac OS X
- upgrade to iTunes 8.2
- firmware - iPhone 3.0, iPhone 3G 3.0 or iPod Touch(first/second gen) 3.0
- Bootloader 3.9, 4.6
- Backup your iPhone data
Caution
- You can only jailbreak the iPhone 3G, not unlock it(wait for Ultrasn0w)
- You can jailbreak and unlock the first generation iPhone
- You can jailbreak iPod Touch first generation and second generation
- You can not jailbreak and unlock iPhone 3G S
Complete Guide of Jailbreaking and Unlocking iPhone OS 3.0 for Windows
- 1. Extract the RedSn0w zip file to a
folder or desktop

- 2. Open iTunes
- 3. Hold down shift key, then click the Restore

- 4. Select the firmware which is the one you download and save
earlier

- 5. Close iTunes after the Restore is finished
- 6. Open Redsn0w, click the Browse button

