
Voila! Your iDevice is now jailbroken with iOS 4.2. Once it’s complete, you will see a “ Loader” icon on the springboard. Wait for GreenPois0n to complete its steps. Click again on Jailbreak button of Greenpois0n to start the jailbreaking process.ĥ.

Follow the on-screen instructions to put your device in the DFU mode.Ĥ. Start GreenPois0n RC5 and click on Jailbreak button.

Connect your iDevice running iOS 4.2.1 to the USB of your mac.ģ. Download GreenPois0n RC5 from the links given above.Ģ. Ultrasn0w doesn’t support this baseband yet.ġ. This involves tweaking system files, proceed at your own risk Download and extract libcurl.4.
#Greenpois0n rc5 download mac how to#
How to get GreenPois0n RC5 to work in Mac OS X 10.5. Jailbreak your device at your own risk.ĭo not proceed if you rely on carrier unlock. The Chronic Dev-Team has finally released the new version of Greenpois0n, which features a full untethered jailbreak for iOS 4.2.1. Wrong Thanks to this hack from cmdshift we can get GreenPois0n RC5 running in Mac OS X 10.5.8, so those on older Mac OS X versions will be able to jailbreak iOS 4.2.1 using GreenPois0n RC5 too. How to Jailbreak iOS 4.2.1 using GreenPoisOn RC5?ĭisclaimer: The guide is purely for informational and educational purposes only. Update: GreenPois0n RC5 released for Windows. Update: Greenpois0n RC5_2 has been released which fixes some of the previous issues. You can check the guide given below to use GreenPois0n RC5 to jailbreak iOS 4.2.1, but be aware of this being an unstable release and expect some problems if you don’t follow the procedure carefully. You can download GreenPois0n RC5 from Greenpois0n RC5 or use this mirror.

Unlike Redsnow 0.9.7, Greenpois0n RC5 will not need any 4.2b3 SHSH Blobs saved on Cydia for Untethered Jailbreak. With GreenPois0n RC5, you will be able to jailbreak iOS 4.2.1 (untethered) on iPhone 4, iPhone 3GS, iPod Touch 4G/3G/2G, iPad and Apple TV 2G. GreenPois0n for Windows and Linux is expected to arrive soon.
#Greenpois0n rc5 download mac for mac#
Only catch here is that (for now) GreenPois0n RC5 is available only for Mac and it is not a stable release (RC5 – Release candidate 5). The Chronic dev team has just released GreenPois0n RC5 jailbreaking tool which can be used to jailbreak iDevices running the latest iOS 4.2.1 firmware.
