Why Won't Facebook Let Me Log In?
Millions of people log in to Facebook everyday around the world. We chat, we conduct business, and we share information. But there are times when we cannot login. Here are common causes and easy solutions, like clearing your cache and making sure your Caps Lock key is turned off.
22 Jan 2021 ... Wont let me log in wrong phone no on there so when i put my proper no says cant as someobe already using this number yes me.