Instruction #1


1. Press and hold the Reset button, which in turn will open Settings


2. Tap the Restart option.
3. Confirm the operation.
4. Done.

Instruction #2


1. Press and hold the Reset button, which in turn will open Settings


2. Tap the Power off option.
3. Confirm the operation.
4. Now use the Reset/Power key to turn the watch back on.