UMI HAMMER S Smartphone with Touch ID Review

The UMI HAMMER S smartphone is not just an update of UMI HAMMER. It packs a HD display, 64bit MTK6735 quad-core chip, 2GB RAM, 16GB ROM, Android 5.1 OS, 4G LTE, 13MP camera and 3200mAh battery with touch ID and smart wake. Learn more: