The Wi-Fi authentication error occurred problem that you are experiencing on your Android device is usually caused by a wrong password or a network setting glitch.

It turned out that the authentication problem is simple to fix. Majority of users who reported to have experienced the issue said they have fixed the problem by following simple procedures.

We're all familiar with (and dependent on) wifi. But most of us don't actually know what wifi stands for. Spoiler: It's not wireless fidelity.

If you're having trouble connecting to Wi-Fi, there are a few simple ways to fix the issue. We've put together a list of 7 easy ways to fix limited Wi-Fi connectivity on Android.