For users who prefer to keep data offline or need to transfer large files (e.g., ProRes video), external storage is the best option. How To Buy Storage On iPhone?
It is crucial to understand that after purchase. If the physical storage (e.g., 64GB, 256GB) is full, you must either delete data, move data to external storage, or purchase a new phone with higher capacity. However, you can buy more iCloud+ storage to offload data, or use external storage devices . 1. Cloud-Based Storage (iCloud+) buy more memory for iphone
This report outlines the available options for increasing storage capacity on an For users who prefer to keep data offline