There's even a parody song about the problem.

Attempting to use your Android phone only to realize the keyboard isn't appearing can be a maddening experience. If it isn't working when you need to do something important, it's only going to ...

Learn how to adjust Ease of Access keyboard settings on Windows for improved accessibility and personalized keyboard ...

Before troubleshooting the problem, make sure the issue isn't hardware-related. Keys may stop working if they're stuck, physically damaged (such as after a drop), or if the keyboard connection is ...