Troubleshooting Overwatch Connection Problems on Consoles ...
us.battle.net › support › enRun your console's built-in connection test (PlayStation 4) (Nintendo Switch). Select Show Network Stats from the Options > Video menu to view connection information. Our Diagnosing Overwatch Network Problems article defines each stat with possible troubleshooting steps. Use your console's internet browser to run a Looking Glass test. This will help determine if the problem is between your console and our servers.
Overwatch Disconnection Problems - Blizzard Support
us.battle.net › support › enCommon Problems. I keep getting disconnected from Overwatch. Before trying any of the following steps check the BlizzardCS Twitter for any service interruptions. Reset your network devices to make sure your router hasn't become flooded with data. Release and renew your IP and flush your DNS to resolve any network conflicts.
Can't Connect to Overwatch - Blizzard Support
us.battle.net › support › enReset your network devices to make sure your router hasn't become flooded with data. Run your console's built-in connection test ( PlayStation 4) ( Xbox One) ( Nintendo Switch ). Use your console's internet browser to run a Looking Glass test. This will help determine if the problem is between your console and our servers.