mobile

Hi guys, I got my G920i from an ebay seller that everyone here has been talking about. The phone was in great condition and everything was fine with the phone for the first 24 hours. Ever since then , my phone has been constantly rebooting after a few hours on it's own. I have not installed any apps that I normally don't have on my other android device , the oneplus one. The G920I is not rooted or anything. The only app I can think of , that is different this time from the OPO , is the samsung push service update. I checked around and could not see anyone else who had recvd the Push service update and was facing the same issue.

Please help!