For Galaxy S
Just press the home key AND back key at the same time for 'screen capture'.
If you don't succeed first time then try again,cause like I said,you gotta press both at same time.
For Galaxy SII,Note,Galaxy R GT-I9103
Press simultaneously home button + on/off button and release instantly!
2 more methods for Galaxy Note
Galaxy Nexus and S2 ICS
you need to press the volume down button and the power button, at the same time for a couple of seconds.
If any of these methods work on your device please reply or if anyone else have a diff method on their device please do reply and this topic will be edited and updated as needed.
(Thanks to those who have contributed)
Last edited by Khantastic; 8th April 2012 at 16:57. Reason: Add more info
Before doing anything else you better check the rules,dont wanna get into trouble now do ya?