Simply buying iCloud storage does not automatically clear your phone's physical memory. You must enable settings that tell your iPhone to use that new space efficiently. Buy iCloud+ or upgrade your current storage plan
: Tap on the iCloud section to see your current usage. Upgrade Plan : For iOS 18.4+ : Tap Subscriptions > iCloud+ > See All Plans . For iOS 18.0 - 18.3 : Tap Manage Plan . how to buy gb for iphone
: Tap your Name (Apple Account) at the very top. Simply buying iCloud storage does not automatically clear
: Select a plan (e.g., 50GB, 200GB, 2TB, 6TB, or 12TB). Upgrade Plan : For iOS 18
For : Tap Manage Account Storage > Change Storage Plan .
: Tap Upgrade to iCloud+ and confirm with Face ID, Touch ID, or your passcode. II. Maximizing Your Purchased GB
Increasing the gigabytes (GB) on your iPhone requires a distinction between and cloud-based storage . While you cannot physically add more internal GB to an existing iPhone, you can "buy" more space by upgrading to an iCloud+ subscription, which offloads data to Apple's servers. I. Purchasing Additional Storage (iCloud+)