After a T-Mobile update to Android Pie, my Always on Display was no longer displaying. It seems like in Pie it initially defaults to only displaying with a touch to the screen. To change this, go to Settings, Lock Screen -> Always on Display – some of these setting screens have additional options if you scroll down. For example, the AoD settings page initially looks like this:
![](https://i0.wp.com/www.kevinhooke.com/wp-content/uploads/2019/04/SmartSelect_20190404-075632_Always-On-Display.jpg?resize=260%2C512&ssl=1)
… but if you scroll down you’ll see additional options, including ‘Display Mode’:
![](https://i0.wp.com/www.kevinhooke.com/wp-content/uploads/2019/04/SmartSelect_20190404-075703_Always-On-Display.jpg?resize=264%2C512&ssl=1)
Press Display Mode and change from ‘Tap to Show’ to ‘Show Always’ :
![](https://i0.wp.com/www.kevinhooke.com/wp-content/uploads/2019/04/SmartSelect_20190404-075715_Always-On-Display-1.jpg?resize=256%2C235&ssl=1)
Done!