It Every day need to restart couple of times. Suddenly speaker will stop working and apps will get struck though I have 1.5 GB left of 3 GB RAM and more than half memory in 32 GB of space. You will get fever if you keep talking with this phone for 5 mins. Very high radiation.also it Received this mobile 3 days back. Getting hang whenever receive calls/ while navigating through inter-phase. Have not installed any extra application/games yet. Issue is random but more frequent. Requested for return.