A: Yes, but only on specific models, with specific settings, and within a time window. The mechanism is NOT the phone secretly sending live GPS while off — a truly powered-down phone has no signal, no network, and no GPS. It relies on two things:

• The “last location” saved before shutdown: just before losing power, the phone uploads/caches an encrypted recent location, so you can see where it “last appeared.”
• A low-power Bluetooth (BLE) beacon relay: supported phones keep the Bluetooth controller running for several hours after shutdown or when entering power reserve, using a tiny reserved amount of battery, continuously broadcasting an encrypted Bluetooth signal. Other devices on the same network (iPhones / Android phones) hear it and relay “I detected this device nearby” back to you — this is crowdsourced relay, the same mechanism behind AirTag offline finding.

In one line: power-off finding = “last location” + “Bluetooth beacon relay after shutdown,” not live GPS while off.

A: Support and time windows differ sharply across the three platforms (based on official support docs, October 2026):

• Apple Find My: iPhone 11 and later (iOS 15+); up to ~24 h after shutdown, up to ~5 h in power reserve after battery depletion (iOS 15.2+); “Find My network” enabled in advance.
• Google Find Hub: Pixel 8 / 9 / 10 series; “several hours” after shutdown/dead battery (Google gives no exact figure); Bluetooth + Location on at shutdown, with an offline-finding network mode selected.
• Samsung SmartThings Find: selected Galaxy S / Z flagships; duration varies with no unified figure; “Allow this phone to be found,” “Send last location,” and “Offline finding” enabled.

Three caveats: Apple gives relatively concrete “24 h / 5 h” figures; Google only says “several hours” qualitatively — these are not guarantees. On the shutdown screen, an iPhone shows “Findable After Power Off,” letting the person shutting it down temporarily disable finding — so a phone deliberately powered off by someone else may not be trackable. As of October 18, 2026, Google’s Pixel support page does not yet list the Pixel 11 for power-off finding.

A: This is the setting Android users most often overlook, yet it most affects recovery odds. Under Settings → Google → All services → Find Hub → Find your offline devices (on Pixel: Settings → Security → Find Hub), there are four options:

• Off: stores no offline locations and doesn’t join the network — can only find a device that is currently online.
• Without network: keeps only the encrypted “last location” the phone saved before going offline, without using bystander phones or tracker tags.
• With network in busy places only (default): the location is shown only after multiple bystander phones aggregate their reports in high-traffic public places like airports, malls, and cafés — privacy-first, but weaker in remote areas.
• With network everywhere: even a single passing device can report it — highest recovery odds, ideal for people who frequent suburbs, trails, or road trips.

One-line advice: choose “everywhere” if you live or drive outside big cities; choose “busy places only” if you mostly stay in cities and care more about bystander privacy. Both “network” options require a PIN / pattern / password on the phone to take effect.

A: It’s the same crowdsourced-relay mechanism, applied to two different kinds of hardware:

• Tracker tags (AirTag, Pixel Tag, Moto Tag, etc.): they have no connectivity at all, so they always rely on Bluetooth beacons + bystander relay — being “offline” is their default, not an exception. Whether they can be found depends on whether a phone on the same network passes nearby.
• Phones (iPhone / Pixel / Samsung): normally they self-report location over the network; only in an “offline” state (shutdown / dead battery) do they fall back to the same Bluetooth-beacon relay as a tag.

So think of it this way: phones are “online first, offline as fallback”; tags are “born offline, entirely reliant on relay.” Both share the same prerequisite — the “find network” toggle must be on in advance, or the device truly goes dark once offline.

A: Mainly different hardware reserved-power strategies, plus different official disclosure:

• Apple: since iPhone 11, a small reserve of battery is kept for the Ultra-Wideband (UWB) and Bluetooth controllers during shutdown, letting the beacon keep broadcasting — Apple explicitly states “~24 hours / 5 hours in power reserve.”
• Google: since Pixel 8, “specialised hardware reserves residual battery to keep the Bluetooth beacon controller running for hours after shutdown,” but deliberately gives no exact figure, only a qualitative “several hours” — likely because it varies with model, battery health, and temperature.
• Samsung: relies on its own SmartThings Find “offline finding,” which exists but is less promoted, with no unified duration advertised.

A notable trend: this capability is trickling down from flagship-only to mainstream, and more mid-range Android phones are expected to support power-off finding. But it is not a security-tracking tool — even “knowing where a switched-off phone is in real time” is ultimately the vendor’s crowdsourced network, with coverage blind spots.

A: The key point: these toggles must be on while the phone is still in your hand — turning them on after it’s lost is already too late. Platform-by-platform checklist:

• Apple (iPhone): Settings → [your name] → Find My → Find My iPhone, turn on “Find My iPhone” and “Find My network”; optionally enable “Send Last Location” so the phone auto-uploads a position before the battery dies; seeing “Findable After Power Off” on the shutdown screen means it’s active.
• Google (Pixel / Android): first set a screen lock (PIN / pattern / password) — without it, the network options won’t work; then go to Settings → Google → All services → Find Hub → Find your offline devices, choosing “busy places only” or “everywhere”; keep Bluetooth and Location on (they must be on at the moment of shutdown).
• Samsung (Galaxy): Settings → Security & privacy → Lost device protection, enable “Allow this phone to be found,” “Send last location,” and “Offline finding.”

Two more universal tips: ① note your IMEI now (dial *#06#) — it’s required for police reports and carrier blocking; ② log into Find Hub / iCloud web once ahead of time to practice, rather than learning under panic.

A: This is a “recover” and “limit damage” process running in parallel — order matters (compiled from Google and Samsung support pages plus FCC guidance):

• Lock first, then hesitate: mark it as lost / lock it in Find Hub or iCloud right away, even if you only think it’s lost. The lock takes effect the moment the phone reconnects.
• Don’t go yourself: never go to the dot on the map yourself — hand the location to the police and let them recover it (both Google and Samsung officially advise this).
• Report + block: file a police report (with model, serial, IMEI), then immediately contact your carrier to suspend the SIM / block the device and get written confirmation.
• Change passwords: change your Google / Apple account password first, then email, banking, and payment passwords saved on the phone.
• Erase only as a last resort: don’t rush to remote-erase unless you’re sure the phone is gone — once erased, it leaves the find network and you can no longer track it.