How do Facebook's Location Settings work?
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Learn more about Facebook's Location Settings
iOS Location Settings
Android Location Settings
Learn more about your Location information
When Location Services and Location History are turned off, we may still estimate your location using things like check-ins, events and information about your internet connection.
Specific location information like your device's GPS signal and connection information like your Wi-Fi connection or IP address (internet protocol address) help us understand where you are. Your IP address is a unique number assigned to a device, like a phone or computer, that allows it to communicate over the internet. Numbers are assigned according to standard guidelines, or protocols. Just like you need a mailing address to receive a letter from a friend, your device needs a digital address to receive information on the internet.