Update the GPS Assist now file:

Step 1 - Download the Assist Now Offline data HERE
Step 2 - Ensure that your USB-C memory drive is formatted to exFAT
Step 3 - Create a top-level folder on the memory drive titled offline_ota
Step 4 - Place the downloaded file (mgaoffline.ubx) on the memory drive in that folder
Step 5 - Plug the memory drive into your drone

Step 6 - Power cycle the drone
-
You will not see confirmation that the Assist Now Offline file has been processed.