Hi guys I used the jio phone with last 3 months I feels that it was the worlds cheapest 4g volte phone that we have with its unique features you can only spent your 1500/rs to them yours and this should money should not be wasted it should.be refunded after 3 years it is a sequirity amount so a very good volte phone with very good cost it has 512 mb ram so you can easily ran games and apps.it has 4 gb unbuilt memory and it also.has axpandable.memmory with dual core.processor it has a 2mp of good camera with all android facility. So what do you want in such low cost it is very good phone with wounderable features.