HMD XR21 5G Mobile Phone with 6GB RAM, 128GB Internal Memory, 6.49 inch Display, Dual 64 MP Rear Camera, 4800 mAh Battery. HMD XR21 price in the US starts from $599, you can buy HMD XR21 Online at Lowest Price. You can also sell your second hand used HMD XR21 Phone online on OwnPetz.