Now you can easily jailbreak your iPad1 with Greenpois0n as iOS 4.2.1 version. With the latest version of Greenpois0n RC5 , you are allowed to jailbreak as 4.2.1 untethered. The Chronic Dev Team is the developer of the Greenpois0n and with Greenpois0n RC5 you can take supports most of the iDevices include,iPhone4/iPhone3GS/iPhone3G/iPodTouch4G/iPodTouch3G and iPad1.
So this content only related to iPad1 and with this content, you can take brief regarding how to jailbreak iPad1 with Grrnpois0n as 4.2.1 version.
So if you are running 4.2.1 version on your iPad1, you have the most suitable chance to do that and most valuable parts of Greenpois0n are, it is untethered and supports both windows and Mac operation system.
How to jailbreak iPad 1 with Greenpois0n as 4.2.1?
For your more reference, I will content step guide along with the video demo. Please take an action according to it. Sorry for the interrupt, before the start jailbreak process with Grnnpois0n you have to complete below requirements as well.
This step guide only related to the iPad 1 users.
Please make sure to backup all your data before the start.
Greenpois0n RC 5 just supports iOS 4.2.1 and 4.1 only, so you to update your iPad to 4.2.1 or 4.1
This content only related to Windows version.
Please make sure, you must run iTunes latest version.
Those are the requirements and here is the step guide for how to jailbreak?
Download Greenpois0n latest version from here.
Make to double-click on Greenpois0n Zip file to extract it and again make to double-click for launch the application.
Connect your iPad to PC
Now click the Jailbreak button.
Now you have to put your iPad in to DFU mode so follow up on screen instruction to do that.
Once you enter to DFU mode, Greenpois0n will start jailbreaking process as 4.2.1
Once whole jailbreak processes complete, click the complete button.
Now you should see Green Loader icon is on your iPad homescreen, please click it and select Cydia and click on install.
Once you installed Cydia, no longer required Greenpois0n loader application, so you have to uninstall it. Go to options and remove it.
All are over, congratulations. You are successfully jailbroken your iPad1 as 4.2.1. Go to Homescreen can you see Cydia application is available on Homescreen. Please reboot your Device and enjoy with Cydia.