Mi a1 is the one of the most valuable mobile now in India mobile market.It was launched in September 2017.I purchase it on 4, february, 2018The phone comes with a 5.50 inch touch screen Display with a resolution of 1080 pixels by 1920 Pixels.Mi a1 price in India starts from Rs 14, 999.Anyone can buy at this price.The MI a1 is powered by 2GHz octa-core processor and comes with 4GB Ram With finger print processor.The phone packs 64 GB of internal memory which is expanded upto 128 GB via micro SD card.I am using it since 4 months, but it didn’t make any hang.Dual camera wide angle lens 12 MP Dual rear camera and 5mp front camera with focal lens.4k vide supportable.Android version is awesome, its 7. 1 .2 and powered by 3080 mAh non removable battery.awesome battery backup.It measures 155.40 x 75.80x7.30. ( height x width x thickness) .weight 168.00 gms.This smartphone Eccepts dual nano sim ( GSM and GSM) .3G, 4G supports ( with supports for band 40) .After all it’s an amazing product of xiaomi.I am really satisfied with this phone, and enjoying with friends and family.I love MI a1.any one can safely buy this phone.