htc m8 screen sleep mode

[Rocky Lamb]

All my other smarts phones automatically went to sleep and turned screen off. I cannot figure out how to get mine to do it. It without pushing button every time. Thanks

 

[mchockeyvette27]

All my other smarts phones automatically went to sleep and turned screen off. I cannot figure out how to get mine to do it. It without pushing button every time. Thanks

Settings>display and gestures>screen timeout

Sent from my HTC One_M8 using Tapatalk

 

[Rocky Lamb]

Changed it to 15 seconds still does not work.