I bought this about 1 year ago and tge phone was working fine and I not noticed any lagging issues and battery was also good it has 6.0 marshmallow and amigo 3.2 that was good and its camera was wondering I like it the most it costs me 11000 and it has 3gb ram and the ram out of the box was 1.5 gb another 5 gb was taken by the system apps and its has also many features and it is a 4g volte phone I will suggest you to buy this phone you can buy this at your nearest gionee stores.