- To lock the device, press the Power/Lock key.
- To unlock the device, press the Power/Lock key.
- Swipe up to unlock the device.
Note: To learn more about requesting a device unlock for your AT&T mobile device, visit www.att.com/deviceunlock.
Secure my device
HTC One (M8) for Windows (0P6B180)
Secure my device
Lock the device screen, set and change security lock, and locate device.
INSTRUCTIONS & INFO