Where do I go to sign up for more icloud storage for iphone
where do I go to sign up for more Icloud storage for iphone
See instructions in Buy more iCloud storage - Apple Support
Note that the storage is linked to your Apple ID, not to a specific device; also note that it is iCloud storage and doesn't change the amount of storage that is on your device. See: What's the difference between device storage and iCloud storage? - Apple Support