Remember to sync your data beforehand, and within minutes, your watch will be ready for a fresh start.
Wake up the watch screen by pressing the crown (top button). How to Hard Reset XIAOMI Watch S1
Scroll down and tap Unpair device or Factory reset (wording may vary by app version). Remember to sync your data beforehand, and within
Confirm the action. The app will send a command to the watch to perform a hard reset. Confirm the action
Swipe down from the top of the screen to access the Quick Settings panel , then tap the gear icon (Settings). Alternatively, press the crown to open the app list and find the Settings app.
Tap on the Device tab (usually located at the bottom of the screen).
The watch will display a warning message: “Erase all data and reset?” Read the warning carefully.