UMIDIGI will also use a similar idea with its new UMIDIGI A100 . UMIDIGI A100 Coming With Gorgeous Design and Functional Rear DisplayThe UMIDIGI A100’s rear screen is more than a cool look. Powerful Chipset and Huge BatteryThe UMIDIGI A100 is the first phone with the new UNISOC T7300 chip. This is bigger than the 5,000mAh batteries in older UMIDIGI phones. The UMIDIGI A100 is tough, too.