Flame 8 is very light weight 4.5 inch phone with free jio sim and Jio welcome offer and it is the 4G VOLTE phone with 2 sim slots sim-1 and sim-2. Sim-1 slot only support 4G VOLTE. This phone is only one issu is the battery issu .only battery of this phone very bad 2100 Mah batty gets discharge soon and always pluged in charger. Camera is to good quality 8 Mp rear camera with auto focus and 5 Mp primary ( front) camera. Back cover is also free in this phone when you unbox it you will get back cover in phone’s box