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How to Fix “100 Unsupported Request Method Type Post” on Facebook

Are you getting a “Login-failed” error when you try to log in to Facebook?

Here’s the second part of the error, “100 Unsupported Request – method type: post”.

Are you unable to log in to the Facebook app?

Many users are reporting the issue on social media platforms like Twitter.

In this guide, you’ll learn why Facebook says “100 Unsupported Request – method type: post” and how to fix it on Android and iOS devices.

Why does Facebook say “Unsupported request”?

100 Unsupported Request - method type: post

Facebook says “Unsupported request” because of a bug/glitch on the app.

Otherwise, Facebook might be having an outage.

You can check if Facebook is down by visiting DownDetector or searching for your issue on Twitter.

If there’s a spike in the DownDetector graph, it probably means that Facebook is down.

As of September 29, 2022, many users are reporting about the Facebook log-in problem.

Here’s a tweet by @Pumpum_1022, “I’m not so sure if it’s hacked or anything but I logged out my account from all devices. I also changed my password, and when I tried logging in again, it keeps saying unsupported request – method type:post”.

“@facebook Hello, when I log into my account, it says unsupported request method type post. Pease solve my issue”.

Apparently, the log-in issue is a global one that affects the Facebook mobile app and Messenger.

How to fix “100 Unsupported Request Method Type Post” on Facebook

Clear Facebook cache on Android

To fix “100 Unsupported Request Method Type Post” on Facebook, you can try clearing the app’s cache or installing an older version of the app on Uptodown.

You can also try to switch your network, update the app, or wait for 24 to 48 hours (for the servers to be back up).

Here are 6 methods to fix the log-in failed issue:

  • Clear Facebook’s cache: Open the Settings app > Apps > Facebook > Storage > Clear Cache > Clear Data > re-open Facebook.
  • Install an older version of Facebook (for Android devices): https://facebook.en.uptodown.com/android/versions.
  • Switch your network from Wi-Fi to mobile data (and vice-versa).
  • Update Facebook to the latest version.
  • Uninstall and reinstall Facebook.
  • Wait for 24 to 48 hours.

The first method is to clear Facebook’s cache.

If you’re using an Android device, you can do so by opening the Settings app, finding Facebook, and tapping on “Clear Cache” followed by “Clear Data”.

Clearing Facebook’s cache will fix common issues on the app like loading and logging out.

On the other hand, clearing the app’s data will log you out of Facebook.

You can also go to Uptodown and try installing an older version of Facebook.

In some cases, the latest Facebook update might have some bugs and glitches.

Downloading an older version of Facebook will temporarily prevent those bugs and glitches until a new update is released to fix them.

If Facebook is down, you need to wait for 24 to 48 hours for it to be back up.

If there’s a new update containing bug fixes, you need to update the app as soon as possible.

Further reading

45+ Free Facebook Accounts (with Passwords)

How to Fix “An unexpected error occurred” on Facebook

How to Fix Can’t Log Out of Facebook


About the author

Lim How Wei

Lim How Wei is the founder of followchain.org, with 8+ years of experience in Social Media Marketing and 4+ years of experience as an active investor in stocks and cryptocurrencies. He has researched, tested, and written thousands of articles ranging from social media platforms to messaging apps.

Lim has been quoted and referenced by major publications and media companies like WikiHow, Fast Company, HuffPost, Vice, New York Post, The Conversation, and many others. One of his articles about the gig economy was quoted by Joe Rogan who hosts The Joe Rogan Experience (arguably the most popular podcast in the world), in the This Past Weekend podcast by Theo Von.

In his free time, Lim plays multiple games like Genshin Impact, League of Legends, Counter-Strike, Hearthstone, RuneScape, and many others. He creates guides, walkthroughs, solutions, and more on games that he plays to help other players with their progression.