Originally Posted by lgv2800
Sent from my GT-I9100 using xda app-developers app
Well if your on JB or GB then the pressing power button and home button at same time should do the thing...
But on ICS it didn't work that way for me...
ICS: Press the volume down button and the power button at (almost) same time and hold them together for around 1-2 second.
if i helped..