If you get stuck with a blank app screen, this indicates there was a slight disruption in your cellular or WiFi network connection.

When this happens, all you need to do is simply hard close the Revian app and then reopen.

If you do not know how to hard close an app on your phone, please see below:

iOS Devices: https://support.apple.com/en-us/HT201330#:~:text=From%20the%20Home%20Screen%2C%20swipe,preview%20to%20close%20the%20app.

Android Devices: https://support.google.com/android/answer/9079646?hl=en#zippy=%2Cclose-apps