How to receive technical support for Black Ops 4 disconnection errors
How to receive technical support for problems with your connection to Black Ops 4 servers
Troubleshooting steps for disconnection problems with the Blizzard mobile app
How to resolve this problem when downloading an update
There's a problem with the connection to the Blizzard servers.
Troubleshooting for installation-related problems on Mac.
Troubleshooting steps for performance-related problems.
How to receive technical support for performance problems in Black Ops 4
How to receive technical support for problems connecting to Black Ops 4
Information about troubleshooting problems with the Blizzard Battle.net friends list