You can now Jailbreak iPhone 4 4.3.3 firmware very easily after the release of JailbreakMe 3.0
JailbreakMe 3.0 for iPhone 4 4.3.3 Jailbreaks untethered which means your jailbreak remains even after reboot of iPhone 4 after jailbreaking it.
With JailbreakMe 3.0 iPhone 4 4.3.3 jailbreak can be done over wifi or 3G internet network. It jailbreaks other iOS too upto 4.3.3 for all Apple devices.
iPhone 4 4.3.3 Jailbreak untethered
1. Connect wifi on your iPhone 4 4.3.3 firmware which you want to jailbreak
2. Launch safari on your apple iphone and open webpage: http://www.jailbreakMe.com
3. Click on FREE and the green INSTALL button. It will start installing Cydia on your homescreen. Let it complete
4. Once Cydia is installed it will give you a Successful Jailbreak message.
5. Now your iPhone 4 4.3.3 jailbreak is successful and you can launch cydia to install any apps available through it.