Put your SIM card in another (i)phone, make a personal hotspot, update. If you don't have another phone, use a friends' phone and/or data that shares an access

Put your SIM card in another (i)phone, make a personal hotspot, update. If you don't have another phone, use a friends' phone and/or data that shares an access point. If you don't have a SIM card, move to a country where they protect consumer rights, so you can change phone without asking your carrier. (yes, I realize how silly all of this sounds :-))