Open the Settings app on the watch
Tap General
Tap Reset
Tap Reset again to confirm
If needed, use the power button method
Press and hold the Home/Power button until the power options appear
Tap Power off
Press and hold the Home/Power button again until the watch restarts
When the Samsung logo appears, repeatedly press the Home/Power button until the Recovery menu appears
Use the Home/Power button to select Wipe data/factory reset
Confirm the reset
Select Reboot system now
If the watch is unresponsive, reset it from the Galaxy Wearable app
Open the Galaxy Wearable app on the connected phone
Tap Watch settings
Tap General
Tap Reset
Confirm the reset
If the watch is locked, use Find My Mobile
Sign in to Samsung Find My Mobile
Select the watch
Choose Erase data
Confirm the action
After the reset, set up the watch again from the start