Original post by: Vineet Bhatia ,
lower vol key + power on button, keep pressed for some time, it RESTARTS. If it doesn't work for the first time, try again it worked on the second time for me. STUPID PHONE. very unreliable. Just GIVES UP ON YOU and at the WORST TIMES !!! I wish I had bought a SAMSUNG GRAND. Too Late Now. Spilt Milk.