Whether you’re troubleshooting persistent glitches, preparing your watch for a new owner, or simply want a fresh start, a hard reset (factory reset) on the CASIO Pro Trek WSD-F20 restores the device to its out-of-the-box state. Unlike a simple reboot, this process erases all user data, accounts, and downloaded apps.
Read the warning. Tap Reset Device or Confirm . How to Hard Reset CASIO Pro Trek WSD-F20
Wait 2–3 minutes. The watch will reboot, show the CASIO logo, and then present the language selection screen — indicating a successful hard reset. Method 2: Hard Reset Using Hardware Buttons (For Unresponsive Watch) If the watch is frozen, stuck on a logo, or the touchscreen isn’t working, use this method. Tap Reset Device or Confirm
Once off, press and hold the Bottom Right button first , then while holding it, also press and hold the Top Right button. Method 2: Hard Reset Using Hardware Buttons (For
Keep both buttons pressed for about 5–7 seconds. You will see the CASIO logo , then a black screen with white text: “Recovery Mode” or “Bootloader” .