Let us have a quick look at one of the very popular iPhone-related term ruthlessly exploited on the web and in the Apple Jailbreaking community: untethering.
For the majority of us, technical jargon goes above our head, so in this article we will explore untether in the simplest way possible.
The iPhone Dev Team released a jailbreak for iOS 5.0.1 on Tuesday that does away with the need to connect your iPhone, iPad or iPod touch to your computer every time you reboot the mobile device.
Jailbreaking is a process where users hack their iOS device so third party apps that aren’t available through Apple’s App Store can be installed.

Untethered jailbreak for iOS 5.0.1