Do you have to be hooked up to Wi-Fi in order to backup to iCloud? What it you have no access to Wi-Fi?
Do you have to be hooked up to Wi-Fi to perform an iCloud backup? What if you do not have access to any Wi-Fi?
iPhone XS Max, iOS 15
Yes, you have to have Wi-Fi in order to back up to the Cloud. The iCloud server is stored on the internet so you need Wi-Fi