Xiaomi mi a1 comes with a 5.5" touchscreen display with full hd 1080p resolution, powered by a 3080 mah battery.
The xiaomi mi a1 ships with android 7.1.2 nougat and update to android 9.0 pie is available
**note: the phone s not ringing out, but vibrating and xiaomi mi band 3 fitness tracker is inclusive to enable you to get a notification when it is ringing. The xiaomi mi band 3 is a wearable activity tracker
Screen Size: 5.1-6 inches