samsung s3 wifi problem authentication error?

How to solve samsung galaxy s3 wifi authentication problem

First, disable security in the Wi-Fi section of the router. Save the changes, reboot the router, then remove the Wi-Fi connection on the phone and let the phone discover the new router configuration. If it works fine with an Open configuration then you can change the router configuration to add in authentication.

how to fix WiFi Authentication problem on All, Any Android devices, 5 Ways 2020

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