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Wi-Fi Authentication Error Galaxy Tab

How to Fix the Wi-Fi Authentication Error Galaxy Tab?

Wi-Fi Authentication Error Galaxy Tab

Your smartphone or computer has to go through an authentication process to connect to secured Wi-Fi. And, provided that you have to use the right password, you usually won’t face any issues during this process. However, many people face trouble getting through it due to various reasons. Moreover, this problem is quite common in pretty much all devices.

Do you face a Wi-Fi Authentication Error Galaxy Tab while connecting your device to Wi-Fi? There could be many explanations for this issue other than the password being wrong. And, you can deal with the error all by yourself in most cases. But, for that, you simply need to apply the solutions listed below for each cause.

7 Best Ways to Fix the Wi-Fi Authentication Error Galaxy Tab

The error that you’re facing isn’t as complicated as you might think. You can fix it with some simple steps. All you need to do is try out the following methods until you reach a solution:

  • Forget the Wi-Fi Network

The authentication error might simply occur because your device faced an issue during the process. And, it might persist even if you try a dozen solutions. But, forgetting the network and reconnecting to it again might often fix the problem. It will renew the authentication process, and you might not face the Wi-Fi Authentication Error Galaxy Tab error again.

So, click on the network and open its options and opt for forgetting the network. After that, you’ll have to enter the password again to connect to it. This method often does the trick in many cases. 

  • Toggle Flight Mode On and Off

Can’t figure out an effective solution to the Wi-Fi authentication error? Then, you can try some easy solutions to fix it. Among other methods, you must try toggling the Flight Mode on for a minute. You won’t be able to connect to the Wi-Fi network during this time.

Once you’re ready, go back to your Settings and disable the Flight Mode. This method can fix any temporary error that occurred during the authentication process. But, if the issue persists, you must proceed with the next solution right away. 

  • Restart Your Router/ Modem

Are you using a router to access the internet on your Galaxy Tab? In that case, the error might have something to do with the router. And, you can resolve it by restarting the device. So, switch off your router and unplug it for a minute. Then, plug it back in and try connecting your Galaxy Tab to the network.


You can also apply this solution if you’re using another smartphone or tab as a modem. Restarting the device can fix a wide range of temporary errors on it, after all. If the Wi-Fi Authentication Error Galaxy Tab issue shows up again, you can try some more effective solutions. 

  • Reduce the Number of Connected Devices

All routers or modems can usually share wireless networks with only a limited number of devices. So, you might face an error while trying to connect more devices to it than it can handle. Have you connected multiple devices to the router or modem? If yes, then that might explain why you’re facing the authentication error.

So, disconnecting some of the devices might fix the problem. Many people have found a solution to the error by trying out this method. 

  • Configure the Network Security Type

The latest routers come with multiple security options you can choose from. And, not all of these settings might be suitable in all cases. So, the authentication error might have something to do with the security type you’re using. You can try changing the security type on your router or modem.

In the case of a router, you need to log into the interface. Then, you must go to the security settings and change it to a suitable option. In case you’re using another phone or tab as a modem, the steps are quite similar. 

  • Update your Galaxy Tab’s System

You might often face Wi-Fi Authentication Error Galaxy Tab glitch due to an outdated system on your device. After all, outdated systems can cause quite a wide range of issues. So, you might want to update your Galaxy Tab as soon as possible to resolve this error. Go to your Settings menu and opt for installing the latest Android version available for your device. 

  • Change to Static Wireless Network Configuration

Are you using a DHCP wireless network configuration on your tab? Then, you can try changing to a static one. This might fix the Wi-Fi authentication error over the long term in many cases. And, for that, you must open the Wi-Fi settings on your device. Open the Advanced Settings and expand the IP Settings. Then, opt for a Static Wireless Network Configuration.

Make Sure You’ve Selected the Right Network

If the error persists, you must check whether you’ve opted for connecting to the right network. As it happens, you might often find multiple networks with the same or similar names. So, you must give your router’s network a unique name to prevent such confusion.