GeoHot has released Purplera1n tool for windows OS to Jailbreak iPhone 3G S running 3.0 firmware. As the Purplera1n is still in beta it is advisable to take the backup before running. Also make sure that you have windows, the latest iTunes installed, and an iPhone 3GS with 3.0 firmware before using Purplera1n to jailbreak.
Follow simple steps below to jailbreak your iPhone 3GS.
- Download Purplera1n.
- Connect your iPhone with your computer.
- Click ‘make it ra1n.’ Wait.
- On bootup, run Freeze, the purplera1n installer app.
- Reboot your iPhone after onscreen instructions.
Note- If Cydia does not show up after running Freeze, reboot,” the message goes.
Once that you’ve got your jailbreak done, you can then use the ultrasn0w tool to unlock your iPhone 3GS or redsn0w to unlock your iPhone 3G. If you are looking to unlock or jailbreak your iPhone 3G S you are advised not to upgrade to 3.1
If are are facing any issue on jailbreaking iPhone 3G S just email purplera1n.support at GMail and attach your purplera1n.log file. Or call the purplera1n support hotline @ (650) 265-1210. You may follow George Hotz on Twitter here.