How To Untethered Jailbreak iOS 4.2.1 with GreenPoison

How To Untethered Jailbreak iOS 4.2.1 with GreenPoison

Chronic Dev Team has developed Greenpoison Jailbreak Tool. Greenpoison iOS 4.2.1 Jailbreak is free jailbreaking tool. Greenpoison iOS 4.2.1 Jailbreak tool can unlock iPhone 4, iPhone 3GS, iPod Touch 4G, iPod Touch 3G and iPad. Instruction about How To Untethered Jailbreak iOS 4.2.1 with GreenPoison have given below:

How To Untethered Jailbreak iOS 4.2.1

1) Download GreenPoison iOS Jailbreak

2) Connect iPhone to computer

3) click on “Jailbreak”

4) For DFU mode follw the instruction as given onscreen

i.            Press sleep button & hold it for 2 seconds

ii.            keep on holding sleep button then press & hold home button for 10 seconds.

iii.            Now free sleep button

iv.            Keep holding home for 15 seconds

5) Now GreenPoiso Jailbreak will untethered Jailbreaking iOS 4.2.1

6) Start “Loader”

7) Install Cydias

Now its done…