try resetting.to force restart your phone press 'power button' + 'volume down' together. keep them pressed for like 20-30 sec. it would restart.

well it's really common. I have suffered from this problem for like 3 months. did many hard resets but Everytime it would start crashing after 2-3 weeks. what I found to be there solution is.1- backup you data manually. don't use SmartSwitch for bank...

suffered from this problem for like 2 months. Tried installing Rom through Odin, through SmartSwitch. tried everything.but this time I didn't backup my data etc with SmartSwitch. only moved my important pics etc to computer. Reinstalled my Rom throug...

try cleaning your 'partition cache'. I had the same problem. after cleaning my cache, problem was resolved.