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Jailbreak iOS 4.2.6 on Verizon iPhone 4 with GreenPois0n RC5 [How-To Guide]

Great news for those who are eagerly waiting for their Verizon iPhone 4. John Sibiga, who was lucky enough to get hold of Verizon iPhone 4 even before its launch date, has already jailbroken iOS 4.2.6 using GreenPois0n tool on his yet to be released CDMA Verizon iPhone 4. He further tweeted that unlocking the Verizon iPhone 4 is not possible at the moment.

Cydia on Verizon iPhone 4

[Courtesy @Lunch8ox]

For those who don't know, just like AT&T's iPhone 4, Verizon iPhone 4 is vulnerable to Geohot's Limera1n exploit. GreenPois0n uses the same exploit to jailbreak Verizon iPhone 4 and some kernel based hack to make this jailbreak untethered. The following instructions summarizes the tutorial for jailbreaking iOS 4.2.1 on AT&T's iPhone 4 but are valid for Verizon iPhone 4 as well. If you want detailed step-by-step guide to jailbreak iOS 4.2.6 on Verizon iPhone 4, you may follow this guide for Mac OS X and this guide for Windows.

Steps to Jailbreak Verizon iPhone 4 with GreenPois0n RC5:

  1. Download latest version of GreenPois0n RC5 for Mac or Windows from here.
  2. Connect your Verizon iPhone 4 via USB cable to your Mac or PC and sync it with iTunes 10.1.2 to backup your photos, videos, contacts, messages, apps etc.
  3. Make sure your Verizon iPhone 4 is running iOS 4.2.6. You can download it here if you haven't.
  4. Launch GreenPois0n RC5 tool and hit the jailbreak button.
  5. Verizon iPhone 4 iOS 4.2.6 Jailbreak

  6. Now use the following instructions to put your Verizon iPhone 4 in DFU mode:
    • Press and hold sleep button for 3 seconds.
    • While holding the sleep button, press and hold the home button for 10 seconds.
    • After 10 seconds, release the sleep button but keep holding the home button for 15 seconds.

    Verizon iPhone 4 iOS 4.2.6 Jailbreak

  7. Once GreenPois0n will detect your iPhone in DFU mode, it will jailbreak it in a matter of seconds.
  8. Verizon iPhone 4 iOS 4.2.6 Jailbreak

  9. Once the jailbreak is done, click on the 'Complete' button to close the GreenPois0n tool.
  10. Verizon iPhone 4 iOS 4.2.6 Jailbreak

  11. Once jailbreak has been done, you will see the 'Loader' app on your iDevice home screen. Use the 'Loader' app to install Cydia and then remove it from the Springboard.

Update#1: Chronic-Dev Team has released GreenPois0n RC5 B4 to jailbreak iOS 4.2.6 on Verizon iPhone 4.

Video Tutorial:

[The video tutorial below demos the jailbreak of iOS 4.2.1 on AT&T's iPhone but the same instructions can be used to jailbreak Verizon iPhone 4 on iOS 4.2.1]

Update#1: Download GreenPois0n RC5 B4 to jailbreak iOS 4.2.6 on Verizon iPhone 4
Update#2: Download GreenPois0n RC6 to jailbreak iOS 4.2.1 on Apple TV 2G
Update#3: Download official PwnageTool 4.2 for untethered iOS 4.2.1 jailbreak on Mac
Update#4: Download Sn0wbreeze 2.2 for untethered iOS 4.2.1 jailbreak on Windows

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