How to Untethered Jailbreak iOS 4.2.1 with GreenPoisOn RC5 (Guidelines)

Recently Chronic Dev Team Released GreenPoisOn RC 5 to untethered jailbreak iOS 4.2.1 officially.GreenPois0n RC5 doesn’t require you to have SHSH blobs of 4.2b3 saved on Cydia.For Initializiing you will need to hard reset your iPhone (hold home + power). Put your phone back into DFU mode but do not let go of the home button.Than Run GreenPoisOn RC5 on your iPhone.

Follow the following steps to Untethered Jailbreak iOS 4.2.1 with GreenPoisOn RC5:

• Step 1 : At the first step you need to download GreenPoisOn RC5.

Download GreenPois0n RC5 Untethered Jailbreak for iOS 4.2.1(Mac)

Download GreenPois0n RC5 Untethered Jailbreak for iOS 4.2.1(Linux)

Download GreenPois0n RC5 Untethered Jailbreak for iOS 4.2.1 (Windows)

• Step 2 : After Downloading Install GreenPoisOn to your Machine
• Step 3 : Than Connect your Device to Machine to run GreenPoisOn.
• Step 4 : Than Convert your device in to DFU Mode.(hold home + power)
• Step 5 : Now GreenPois0n will now start “Jailbreaking” your iOS device untethered on 4.2.1.
• Step 6 : Now you done to jailbreak your Device with GreenPoisOn RC 5 to iOS 4.2.1.

This is an overall information to jailbreak your iOS 4.2.1 with GreenPoisOn RC 5 to your device,stay tune with us for more information regarding GreenPoisOn RC5.