The best feature of the device is it’s infra red remote teachnology.you can connect any remote operated electronic device instantly and it’s function smooth. Device speed is amazing I have played heavy games like Asphalt 8, real steel and FIFA more. Thanks for fast GPU n 3GB RAM. Battery is also amazing. The 4100 maH battery actually work extra ordinary. Fingerprints sensor works like butter. The look and feel the device is supered. And the camera front and back is Awesome. Front is 5 MP and secondary is 13 MP. Well a product like this actual above( 15k) and getting it for 9k is simply awesome. I’m end user consumer and very satisfied with its usage. I you want to have a phone below 10k their is no competition to Mi 3s prime.