Gear fit watch
Flickering screen can only see half an inch of screen annoying I've never had issues like this before as had the watch almost 7 years
Kindly give the Fit a reset, please backup the data first. If error persists, find your nearest support centre where you can walk-in so the engineers can do a fix.
Launch the Galaxy Wearable app on your mobile device and tap Home → Account andbackup.
Launch the Galaxy Wearable app on your mobile device and tap Home → About band →Reset band.