Mobile phones can avoid big data by turning off phone permissions, turning off personalized recommendations for software, and avoiding big data from software sources.

Shutting down apps that require cell phone permissions, opening the phone's settings to enter privacy permissions, and opening the permissions management where we have apps that require cell phone permissions, such as location information, camera, microphone and other permissions, which are private to us, it is recommended that we either shut them down or ask them every time they are used to prevent the apps from restarting in the background.

For video software and shopping software we can find in the settings of the push settings, where we will see the option to push the content I may be interested in, turn it off, this is the collection of the user's favorite, we can turn off the option to avoid the collection of big data.

The source of the software is very important, a lot of unknown software is embedded with all kinds of advertisements, it is best to download it from official apps.