How to fix iPhone keyboard not working is a question that was posted by many users in some major science and technology forums. Thus it can be seen when you enjoy the convenience iPhone device brings, you also need to take on the problems that come with it. Even if the problem is not serious, it will stop everyday work on iPhone. For this issue, this guide talks about 5 methods that you may use effectively. Of course, if you know why exactly this issue occurs, you can select the corresponding method directly instead of trying one by one.