REALLY AMAZING FEATURES OF THIS MOBILE PHONE AT VERY LOW COST AS COMPARE TO COSTLY MOBILE BETWEEN FIFTEEN TO TWENTY FIVE THOUSAND OF ANY BRAND. REDMI 3S PRIME BEST & TOP FEATURES ARE 3GB RAM, 13 MP CAMERA, LONG BATTERY BACKUP(4000 MAH BATTERY), 32 GB INTERNAL MEMORY ETC. SO IT IS JUST A GREAT EXPERIENCE FOR ME TO USE THIS MOBILE PHONE AND I ALSO RECOMMEND TO TAKE THE SAME TO EVERY ONE WHO WANT GOOD FEATURES AT A SMALL COST MOBILE PHONE. THE BEST THING IN THIS MOBILE PHONE IS LONG STANDBY & GOOD CAMERA QUALITY WHICH ATTRACTS EVERYONE TO BUY IT. SO IF YOU WANT TO BUY YOUR FIRST ANDROID PHONE OR WANT TO CHANGE WITH UPGRADE MODEL THEN YOU CAN GO WITH THE SAME. BUY & ENJOY GOOD FEATURES AT LOW COST.