Face ID brings convenience to you. However, if you suddenly run into iPhone Face ID not working problem but you don't remember the digit passcode or you only set up a Face ID, the locked iPhone will get your life into a jam.

Well, you could check Face ID unlock condition or check your iPhone ( Restart/Force Restart iPhone - Update iPhone) .Of course, you slao can remove it with some unlocker tools. There are many iPhone Unlocker softwares on Google, such as AnyUnlock, MagFone iPhone Unlocker, ApowerUnlock, etc.