COD Mobile like most first-person shooters on consoles and PC requires that your ping is below a certain threshold for it to be able to connect you to a game properly. If your ping is too high then it will simply not connect and will display the error "Unable to connect to game".
Here are some possible solutions: Check server status: Before troubleshooting, it's important to check the server status of Warzone to ensure that the issue is not due to server maintenance or a server outage. Restart your device: Try restarting your computer or gaming console and then launching Warzone again.
