You are home and want to check some important mail, and despite entering (or previously saved) correct user ID and password after some process, you get a notification below your screen ‘authentication problem’ or ‘authentication error.’ This is what we call Android WiFi authentication problem.
Such problems are annoying because we know that we are logged into a correct network but still, it shows a problem especially when we have something important on our plate. So, is there a solution to it? Yes, of course, there is a solution to fix authentication problem in WiFi and that too not one but two. Let us address this issue with two sure solutions so that you don’t have to face the problem again.
Step #1. Go to Settings, and under the Network, connections tap on Wi-Fi.
Step #1. Go to Settings and select the WiFi network you want to use, just like above.
Step #2. Long press and hold on the network’s name and choose ‘Modify network’ (or Modify network connection) option this time from the popup menu you receive.