Hello friends today telling about reliance jio phone I can use this from launching this is a first keypad phone by jio and the qualities of this phone is this phone has 4G network mean 4G Speed internet high speed and other features is this phone only use jio sim card only and this phone is powered by 1.2GHZ dual-core processor and it comes with 512MB of RAM. the phone packs 4GB of internal storage that can be expanded up to 128GB via a microSD card. this phone is packs a 2-megapixel primary camera and rear is 0.3-megapixel front shooter for selfies. and this phone powered by a 2000mAh removable battery. this phone is only single sim support nano-sim. and customer service is very good of this phone .and charges and billing of this device is good .if you have any question Regarding this phone please comment .