I product this product last few months.i am using this phone it is double sim phone on 1 st slot we can use cdma phone and in second we use gsm network. But if I want to use both gsm sim then I can use.Nice phone with 3 gb ram and 16 gb storage.fast and look wise it is good phone but battery wise this phone is ok ok its battery last for 5 to 6 hours if you are a internet buddy.I brought this phone for rs 11500 with 1 year warranty. Use if you can comparmise with battery.