1. Find the setting on our mobile phone desktop and click it.
2. Click Personal Information at the top of the screen. Although they are all unfamiliar words, they are all familiar.
3. Click iCloud in your personal information.
4. Then click Manage Storage Space.
5. Then click Change Storage Space Scheme to expand the memory by changing the storage space.
6. If you need to expand to 5G, it is free. If 50G is selected, select the purchase plan and click Buy. The more memory you need, the better. This method is not a lot of money.
7. Finally, just enter your Apple password, and now the mobile phone memory is expanded to 50G.