Tool: iPhone? eight
Operating system: iOS? 14.4. 1
Step 1: First, open the main interface of the mobile phone and select the "Settings" option.
Step 2: After entering the setting interface, select the "General" option, as shown in the following figure. ?
Step 3: After entering the common interface, select the "iPhone storage space" option.
Step 4: After opening the iPhone storage interface, select the "IOS 12. 1.2" option.
Step five. Finally, click the Delete Update option to free up memory.