Redmi isba big brand nowdays.redmi 3s prime is just amazing in its feature.4100mah battery is long lasting for 2 days.it has combination of 3GB ram and 32gb internal moemory.it runs fast as its MIUI 8.0. and the most exciting feature is having fingerptint sensor unlock system.although having a great featured , this just at 8999 .great phone value for money.