iPhone 4 – Jailbreak with Redsn0w (the best jailbreaker)
iPhone 4 with 4.3.3 – Jailbreak with Redsn0w
Redsn0w 0.9.6rc14 can jailbreak iPhone 4, 3GS 4.3.3 firmware. You can jailbreak iPhone 4, and iPhone 3GS 4.3.3 using RedSn0w. However, for now, RedSn0w provides a tethered 4.3.3 jailbreak solution. No iPad 2 support.
How to Jailbreak iPhone 4, 3GS 4.3.3 with RedSn0w
Step 1
Download the required stuff:
Step 2
Restore iOS 4.3.3 on your iPhone, iPad or iPod Touch and keep it connected to your computer via USB.
*You can skip this step if you’re already running iOS 4.3.3.
Step 3
Execute the Redsn0w 0.9.6 rc14
Step 4
Hit the Browse button and select official iOS 4.3.2 firmware (downloaded in Step 1) NOT 4.3.3. RedSn0w will recognize your 4.3.2 IPSW file. Then hit Next.
Step 5
Now check mark “Install Cydia” and hit Next.
Step 6
Now make sure your iPhone, iPad or iPod Touch is turned OFF and Plugged in to your computer. Hit Next.
Step 7
Now you’ll be instructed to put your iDevice into DFU Mode. Follow the on screen instructions.
Once you’ve successfully entered into DFU mode, RedSn0w will start jailbreaking iPhone 4 or iPhone 3GS on iOS 4.3.3 tethered. When done! your iPhone 4, iPhone 3GS will be jailbroken tethered on iOS 4.3.3.
Step by Step Video: