This is a very useful and important smartphone.all who want to buy a samartphone.my advice is that they sh ould buy this phone. beacuue all function of this phone working smoothly.i want to say this the best and best smartphone for everyone. so dont think more and buy this samartphone.in this phone 3 gb ram. .3000 mah. battery and 2.2 ghz power ful prosiser and more amazing fetures.i liked this phone.