Download Jailbreak iPhone 3GS iOS 4.1 Firmware

An unofficial PwnageTool version have been released to jailbreak iPhone 3GS iOS 4.1. If you have updated your device to iOS 4.1, thenJailbreak iPhone 3GS iOS 4.1 you could use this guide to jailbreak iPhone 3GS (Old Bootrom) on Mac OS X or you could downgrade to the old iOS 4/4.0.1/4.0.2 firmware then jailbreak it again.

NOTE: You would have to activate your iPhone 3GS using an officially supported SIM or the phonebook SIM card trick before you unlock the phone as hacktivation is not supported by this PwnageTool. Also you should proceed to the steps at your risk. Do the steps carefully that you don’t make any mistake.

Download PwnageTool from http://www.megaupload.com/?d=VZ52C0AY and the iPhone 3GS iOS 4.1 firmware from here.