From a Home screen, swipe up or down from the center of the display to access the apps screen.
These instructions only apply to Standard mode and the default Home screen layout.
Navigate: Settings > Apps.
Ensure All apps is selected (upper-left).
If necessary, tap the Dropdown icon (upper-right) then select All apps.
Locate then select the appropriate app.
If system apps aren't visible, tap the Menu icon (upper-right) > Show system apps.
Tap FORCE STOP.
To confirm, tap FORCE STOP.
Tap CLEAR DATA.
This option may not be available for some apps.
Resetting an app does not remove saved items on the device (texts, pictures, voicemails, etc.); however saved passwords for Wi-Fi, settings, backgrounds, etc. within the app itself may be reset.