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.
* Reset Network Settings: Go to apps screen >Settings >General Management >Reset >Reset Network Setting.
For further assistance, register your concern in Samsung Members Application (Open Samsung Members Application>Support>Type your query>Ask a question/Tap an error report>Send)
