You need to ignore the FollowMee app from battery optimization in tracked Android device. Otherwise the app cannot track in the background. Open the app and press the "Menu" button. Locate the "Ignore battery optimization" button. If you don't see this button, that means that the setting has been already set and you can skip it. Otherwise, press this button and press the "allow" button on the next screen.





You can also set this setting manually from Settings -> Apps & Notifications -> Special App Access -> Battery Optimization. Change the drop down to "All apps", then scroll down to look for FollowMee.





Related
What Android settings and permissions are required for the app?
How do I enable location service in Android?
What permission does the Android app need?
What additional settings do I need to set for some Android models?

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