And, yes, people still use them and some refuse to give them up. This page is rather extensive and will be updated on a regular basis. If you know of any error codes that I am displaying incorrectly or that aren't here.The method for reading these codes is pretty straight forward. Let me know and I'll get it corrected as soon as I can.The problem was, these diagnostic codes were never really documented all that well.The codes that I am presenting here are from documents I have read through, found on the web, found in old books, documents and technical papers.The first and foremost thing you can try out is resetting the connection between the wireless router and your Android device.You can remove the wireless network from your device and add it back as a new wireless connection, which usually is the primary solution to most Android Wi-Fi authentication problem.Ever tried to sign in to a wireless network only to get a Wi-Fi authentication error problem?
Then the yahoo google and bing redirect virus was intensely messing with my... I have compiled the following List of Problems that I am aware of on my computer. For their PS/2 systems, IBM used a system of diagnostic codes to diagnose trouble spots in a given computer.However, after a short wait, you see an ‘authentication problem’ or notice the ‘authentication error’ pop up right under the network name.The first instinct as always is to make sure that the password name entered is accurate, since it among the leading causes of the Wi-Fi authentication error.You are certain that the password you are using is correct, but the device still refuses to connect.