Chronic-Dev team has just launched the new "Absinthe" a program for Mac (Windows are Linux versions are on their ways too) that is similar to the popular RedSn0w.
The program allosw you to "unchain" once for all your iPhone 4S and iPad 2 running iOS 5.0.1.
The supported devices and firmware for Absinthe are exactly:
•iPhone 4S running iOS 5.0, 5.0.1 (9A405 and 9A406)
•iPad 2 Wifi/GSM/CDMA running iOS 5.0.1
We all want Cydia on our devices, right?. Then don't waste your time and head over the download link:
http://cache.greenpois0n.com/dl/absinthe-mac-0.1.2-1.zip