A. 1. After an update, log out of your account. Open the app, go to Settings or Account, and select 'Log Out'. 2. Close the app completely by swiping up from the bottom of the screen and swiping the app off the screen. 3. Reopen the app and log back in with your credentials. This can refresh your account access.

B. 4. If you still face issues, try resetting your password. Go to the login screen, select 'Forgot Password?', and follow the prompts to reset it.