Turn your watch on and off
Turn on: If your watch is off, press and hold the Side Button for 3s until the face appears (you might see a black screen for a short time first).
Turn off: Normally, you leave your watch on all of the time, but if you need to turn it off, press and hold the Side Button for 3s until the Power Off Confirmation appear, then tap the Power Off button.
Tip: You can’t turn off your watch while charging. To turn it off, disconnect it from the charger first.
Wake the watch display
You can wake the watch display in these ways:
Turn your wrist and let your watch facing up. Your watch sleeps again when you let your watch not facing up.
Press the Side Button.
If your watch doesn’t wake when you turn your wrist, make sure you switch on Wake on Wrist Turn. If your Watch doesn’t wake when press the Side Button, it may need charging.
Tip: If you don’t want to wake your watch when you turn your wrist, open the Settings on Watch , go to Switch, then turn off Wake on Wrist Turn.
Put the watch to sleep
You can let your watch asleep.
If you wake your watch by turning your wrist, turn your wrist to make the watch facing downward;
Your watch sleeps after a setting time ( you can set it by Auto-Lock in Settings > Screen & Display) except Stopwatch, Heart Rate, Blood Oxygen, ECG and Workouts.
Return to your last activity
For some functions, you can return you to where you were before it went to sleep. These include Stopwatch, Heart Rate, Blood Oxygen, ECG and Workouts.
You can’t return to your watch face while workouts.
If the stopwatch is running, it returns to Stopwatch when you press the Side Button after going to the watch face.