Lyf wind 7 smart phone.produed by Reliance lyf mobies are 4g mobiles and voice over.lte support it make by jio sim useing.interanal.memory.16gb.ram 2gb.here.operating system 5.1.1.lalipop two sim give.mobile 2sims are micro sims.battery is.removeble.and battery 2550mh camera primemay 8mp.scenody 5.mp.camera.are.here.this.phone.this mobile disply.5.inches.Expandable storage up to ( GB) 128 and otg are coneted this mobile.camera is best for wind7.and best futures mobile and bestseries of wind series prices.are mediam.all.pepoles are.by this moble very speed working mobile.im also got it with jiovsim