This is a "nuclear option"—powerful and effective for fixing software bugs, but it comes with the cost of losing your current configuration.
: Tap the top-left corner of the screen, then the top-right corner . Repeat this alternating pattern several times until the hidden MMI test menu appears. How to Hard Reset TCL MoveTime Family Watch MT40x
: Swipe left on the main watch face until you reach the More icon. Tap it, then scroll down to find Settings . This is a "nuclear option"—powerful and effective for
: A hard reset deletes all photos, messages, and settings. Ensure you have backed up any important data through the TCL Connect App How to Hard Reset TCL MoveTime Family Watch MT40x