Brightness Swipe down to go to "Contol Center" from face, tap "Screen & Display" button, then Tap the "+" or "-" buttons below "Brightness" to adjust Auto-Lock Watch RIG: Swipe down to go to "Contol Center" from face, tap "Screen & Display" button, then Tap the "+" or "-" buttons below "Auto-Lock" to adjust. APP:Veepoo Health: Connect your watch, and go to "Mine" > "My device" > "Screen-On time". Tap "Save" button after setting.
