Umidigi G3 4G Mobile Phone with 4GB RAM, 64GB Internal Memory, 6.52 inch Display, Dual 13 MP Rear Camera, 5150 mAh Battery. Umidigi G3 price in the US starts from $74, you can buy Umidigi G3 Online at Lowest Price. You can also sell your second hand used Umidigi G3 Phone online on OwnPetz.