Last Updated on December 14, 2020

Conventionally, access tokens for users on Facebook  can become invalid for some reasons.

Unlike in developers mode, this issue of expired access token can be experienced on Facebook for Android either when you logged out of either Facebook or Messenger, when user changes password.

This could happen when your Facebook app is currently logged in with someone’s account. You either log out the account or follow the below steps to fix it.

In this post, I will guide you on a simple step to fix the “Error validating access token: Session does not match current stored session. This may be because the user changed the password since the time the session was created or Facebook has changed the session for security reasons”

Fixing “Error validating access token: Session does not match current stored session”

/ChuksGuide

Logging out of Facebook mobile app for Android will automatically fix this since it still keep some log data as cache.

If logging out of Facebook does not fix this, then the steps below will definitely fix this effectively, you have to head over to Application Manager on your Android device.

Clear Facebook app data /ChuksGuide

Here’s the shortcut to find App manager

Settings > Apps > Downloaded app > Facebook  or

Settings > General Tab > Application Manager > Downloaded > Facebook

or

You could

1. Open your app drawer
2. Locate Facebook
3. Tap and hold Facebook until options like Create Folder, Uninstall, App info and Cancel shows up
4. Drag Facebook onto App info

Now tap on “CLEAR DATA” to wipe off any trace of Facebook logs and expired cached sessions. When you are done with this, go back to login to Facebook.

Your account should now come back as before.

If you the above could not fix the error, you might need to reinstall Facebook all over again. You won’t lose any files, chats reinstalling Facebook.

This will help flush any existing user details on your device.

ALSO READ: How to recover hacked Facebook Account

To reinstall Facebook, tap on Facebook app icon from the App drawer. Try to draw it over to Uninstall mode. Then uninstall.

After uninstalling Facebook, head over to Play Store to install a Facebook. Log in with your details and hopefully everything should work well.

For iPhone users, If you cannot logout then delete Facebook and reinstall it from App store.

We hope you find this useful.

Wants to get deeper into how Facebook Security and Privacy works? We have created a 43 page complete security Handbook. Click here to learn more and download your copy or visit our download page.