Modern tracking relies on a combination of GPS, Bluetooth Low Energy, and crowd‑sourced Wi‑Fi signals. When you enable a service, your device periodically broadcasts an anonymized identifier that nearby phones or towers can pick up. The collected data is relayed to the provider’s cloud, where it is matched to your account and displayed on a map. This process happens in the background, using minimal battery, but requires consent and an active internet connection.
Apple’s Find My network leans heavily on encrypted Bluetooth handshakes between millions of iOS devices, creating a vast, anonymous mesh that can locate even offline items. Google’s Find Hub, in contrast, pulls location from GPS, cellular towers, and the Android device’s own Wi‑Fi scanning, offering broader OS coverage but often revealing coarse location data to the user. Both services let you play a sound, lock the device, or erase data remotely, but their activation steps differ.