I would make two recommendations
One. In settins there is one that will prevent updates from happening when you are using Cellular data bytes... I can research it if you like but I know you connect and you set the connection as "Metered" and I think there is one other setting.
Second. Many public Wi-Fi places. Eateries, Lowes, home Depot, Wal-marts, McDonalds, and public libraries (small fee at some of those,m like 2 bucks) I'd get to one of those for the update if possible Or a campground with Free Wi-Fi. Or even paid Wi-Fi.
Home was where I park it. but alas the.
2005 Damon Intruder 377 Alas declared a total loss
after a semi "nicked" it. Still have the radios
Kenwood TS-2000, ICOM ID-5100, ID-51A+2, ID-880 REF030C most times