I bought this phone to capture images underwater it works so good underwater I also played some big and high graphic games on this phone but still there is no hang problem its 2GB ram make it so powerfull this phone has too many features camera result is perfect 2 gb ram 32 gb internal memory and would you believe it that this phone is water proof what we need more it is a perfect phone with all the usefull features really sony xperia zr is awesome.