Since the beginning of 2017, Android phones have been collecting the addresses of nearby cellular towers—even when location services are disabled—and sending that data back to Google. As a result Google has access to data about individuals’ locations and their movements that go far beyond a reasonable consumer expectation of privacy—even when location services are entirely disabled, according to an investigation conducted by Quartz.
This location-sharing practice doesn’t require your Android smartphone to use any app, or turn on location services, or even have a SIM card inserted. All it needs is to have your Android device be connected to the Internet.
Read more at androidlane.com