: Open Settings > Apps > Gboard > Storage > Clear Data (this resets settings like themes as well). Alternatively, look for Privacy settings within the keyboard menu and select Delete learned words and data .
: Go to Settings > General > Transfer or Reset iPhone > Reset > Reset Keyboard Dictionary . ( reset )
If your device is learning the wrong words or your display text looks blurry, you can "reset" these text settings to return to a clean slate. How to Reset Your Keyboard Dictionary : Open Settings > Apps > Gboard >
: Open System Settings > System > Formatting Options > Reset Keyboard . ( reset )