Game keeps crashing it says it can't synchronize with the server for Xbox One

Thanks for reaching out and sorry to hear about the experience you had this weekend with Apex Legends. Can you let us know if these steps help get you back into the game without it crashing on you?

Power Cycle the Console

1. Turn off the Xbox One console by pressing the Xbox button on the front of the console for about 10 seconds until it shuts down completely.
2. Unplug the console's power cable. Wait 10 seconds.

Important Be sure to wait 10 seconds. This step resets the power supply.

1. Plug the console power cable back in.
2. Press the Xbox button on your console to turn on the Xbox One.

Clear Mac Address

1. Clear the MAC Address: From the Xbox dashboard select Settings>All Settings>Network>Network Settings>Advanced Settings>Alternate MAC address>Clear, then restart your Xbox.

Reboot the Network

1. Unplug the modem/router power for about 5 minutes to refresh the network. A fresh connection can help clear up most basic connectivity issues.