Facebook and messenger not working

Hmm,

Try using the Task Manager to shut it down and then try again (swipe up from the bottom of the screen, scroll right to find FaceBook, then swipe up on it to close it).

Also see:

If you can’t download or update apps, or if apps get stuck

Good luck.

Hello jigme128,

See this link for the Task Manager to close an app:

How to force an app to close on your iPhone, iPad, or iPod touch - Apple Support

Good luck.