[Settings]-[Privacy]-[Analysis and Improvement]
Turn off sharing iPhone analysis and sharing iCloud analysis
[Privacy]——[Advertising]——Turn on [Limit Ad Tracking]
Reduce the number of ads
[Settings]——[iTunes Store and APP Store]——Turn off [APP Update]
In this way, the APP will not be updated automatically, you can manually update individual APPs if necessary
Automatic download in low battery mode is not available
[Settings]——[General]——Turn off [Background APP Refresh]
Save a little when the phone is useless, and prevent many unnecessary applications from waking up in the background to refresh data
[Settings]-[Privacy]-[Location Service]-Find [System Service]
Turn off my position
Turn off location-based Apple ads
Turn off important places
As for the unnecessary location records, you can click-[Clear History]
[Settings]-[Safari Browser]-Find [Privacy and Security]
Turn on [Prevent cross-site tracking] and [Deceptive website warning]
[Settings]-[Display and Brightness]-Turn on [Night View]-[Set Time]
Customize the time period, you won’t hurt your eyes too much when you play on your phone at night~