I am last 2 month use vivo z1x , it's very very awesome device and specialy camera clearity is very nice and 48mp camera is best , this device have 4500mah battery and battery backup like average 10 to 12hr , it's processeser Qualcomm snapdragon 712 is the best, and like specialy this device size easily catch in hand, best thing of this device is super AMOLED. display