The famous hacker, Greenpoison, released its untethered iPhone Jailbreak for IOS 4.2.1, giving iPhone users another option to reboot your handset. Greenpoison has released this untethered for Mac and Windows.
This jailbreak, especially created for IOS 4.2.1, is different from the rest earlier versions that you have used and seen so far. The main difference is that this jailbreak does not need to connect your iPhone to your computer to restart after it gets rebooted.
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Jailbreaking your iPhone has become very simple these days. However, experts always put in a word of caution on doing it. Here are some reasons why you shouldn’t jailbreak your iPhone.