Clear the app's cache and try to login again. If the problem persists, please send us a support ticket.
Logging in via Facebook profile
To access your wallet via your Facebook profile, please do the following:
1. Go to the Facebook or launch the Facebook app on your smartphone.
2. Go to Settings -> Account settings -> Apps -> Logged in with Facebook.
3. Find the Freewallet app in the list of apps and tap on Remove app -> Remove.
4. After you've done that, launch your Freewallet app and try to log in to your FB profile.