The function of location service is only to provide GPS data (accuracy, latitude, altitude, etc. ) apply.

You can fully authorize some software to run location services in the settings according to actual needs. In fact, starting location services does not mean that location services run 24 hours a day, so it is not recommended that you close all location services.

At the same time, the location service allows you to retrieve your mobile phone and remote related operations through "Find My iPhone" in iOS when your mobile phone is lost.

How does iphone turn on location service?

Find the settings on the iphone.

Find the privacy bar option after entering.

After entering Privacy, you can see the location service. Click "Enter" to open it.