We acknowledge your query and apologize for the same. Please perform the below mentioned steps to resolve the issue:
* Forget the Network: Go to apps screen >Settings >Connections > Wi-Fi >Wi-Fi network >Tap and hold the Wi-Fi network that you're having trouble with until the menu allows you to select Forget Network.
* To improve recognition performance, register fingerprints of the hand used most often to perform tasks on the device.
For further assistance, register your concern in Samsung Members Application (Open Samsung Members Application > Get help > Send Feedback > Error report/Ask questions).
