STEP 1: Download Absinthe Jailbreak v.0.2
STEP 2: After done downloading open Absinthe jailbreak in Administrator mode then plugin your iPhone 4S/ iPad 2:
STEP 3: Now allow the app to recognize your device and you will find ‘Jailbreak” button appeared.
STEP 4: After the program is done running (and not a second before), go to your device’s home screen and locate the Absinthe icon. Click it. This executes the final stage of the jailbreak.
STEP 5: Now after the jailbreak is done, your device will restart and then you should see Cydia installed on your device
Update: Fix “Error Establishing a Database Connection” While Jailbreaking with Absinthe
Simply go to Settings > General > Network > VPN > ON. And sure you will not see this error message again.
Update: Fix Camera Roll Error After Jailbreaking iPhone 4S And iPad 2
You can do so, simply by rerunning the jailbreak on the your iDevice.

