Can I backup iPhone without WiFi ?
Can I backup my iPhone without WiFi?
iPhone 12 mini, iOS 14
No, you cannot back up your phone to iCloud without Wi-Fi. Without Wi-FI, you would need to back up locally, i.e. on your computer. See the section "How to back up with your computer" in this article: How to back up your iPhone, iPad, and iPod touch - Apple Support