How To Turn Off Power Saver Mode On Apple Watch. Launch the Apple Watch app on your iPhone. Green means power saving mode is turned on.
To get out of Power Reserve follow the instructions on Apple Support page. Note that this is going to turn off the heart. Tap on Power Reserve to enable.
Next press and hold the Side button the one below the Digital Crown.
Press and hold the side button until you see the Apple logo. To turn off Power Reserve mode on Apple Watch the watch needs to be rebooted. You can do that by swiping down with one finger until you hear VoiceOver say control centre and double tap. Hold and press the side button until the Apple logo appears.
