You can't unless you buy another iDevice
Uninstall the app then reinstall the app
app error 205 reset problem blackberry 8310
you cant
To reset all the settings and progress, delete the app and re-install from the app store. You won't have to pay for it again.
You go to dr will then at the ver bottom it should say reset
To reset the camera on an iPhone, the camera app should be opened and then hold the power and home at the same time. If the camera is still not working properly, the Apple company should be contacted for further assistance.
Delete the app and reinstall it
ignore it
Delete the app and then re-install it.
no i cannot reset .thats why im asking for help how to fix it
Some step for reset facebook app. 1. go to setting 2. go to apps manager 3. go to Facebook 4. Do clear data.