its the power button..... i watched a video online removed 7 screws and when u open and seehow cheap samsung is ull know why its the power button theres flimsy piece of rubber that holds the external button if it comes out of the holder or in my case there was s also crub on the frame where...
I watched it too it is the power btton.... i took 7 screwsa out there is a flimsy cheap piece of rubber holding the exterior power button if it comes lose or there is crud around the frame inside it sticks it took me ten minutes.... SAMSUNG was useless ..all they could say was you have to...
ITS THE POWER BUTTON... I OPENED IT UP THERES TWO FLIMY CHEAP RUBBER HOLDERS IF THEY COME LOSE FROM THERE HOLDER THE problem occurs.. the flashing samsung logo and the only fix is to open the phone take the 7 screws out and clean out the power button area and check the ridiculous cheap...
THATS IT it was the power button....those morons at samsung were useless they anted to charge me a hundred bucks to fix my phone and send it in.... i opened it up theres only a dinky microscopic rubbe piece holding the power button.... it came out of the holder.... WALA... IT STARTED ...this...