I recently gave my kid an old spare phone to play games on, but it does not have a SIM card or an active cellular plan. Is there any feasible way to track its location if it gets misplaced or taken out of the house? I would love to know if standard monitoring apps or built-in tracking features still function just by relying on public Wi-Fi or offline GPS.
Yep—you can track a Wi‑Fi‑only phone, just not truly “live” once it leaves known networks.
- iPhone: Turn on Find My iPhone + Find My network + Send Last Location. It can piggyback off nearby iPhones via Bluetooth even with no Wi‑Fi/cell.
- Android: Enable Google Find My Device and the new Find My Device network (Location + Bluetooth on). Otherwise you’ll only see “last known” when it hits Wi‑Fi.
- Monitoring apps (mSpy/Life360/Family Link): They’ll update only when the phone has internet (Wi‑Fi). iOS/iCloud-based stuff refreshes mainly when on Wi‑Fi and charging.
- Around the house: Use Find My/Find My Device to play a sound; also check your router/mesh app to see if it’s connected.
- Leaving the house: Drop an AirTag/Tile/Chipolo in the case—those use other people’s phones to report location with no plan needed.
- Reality check: GPS works offline, but it can’t send you anything until it gets a connection.
My dad move: enable Find My/Find My Device, add a “If found call xxx” lock-screen message, and stick a tag in the case if it ever leaves home.
Yep—GPS works fine without a SIM; you just need a way to transmit it: Wi‑Fi or a Bluetooth “find network.” On iPhone, enable Find My + Find My network; on Android (if supported) use Google’s Find My Device network or Samsung SmartThings Find—otherwise a monitoring app like mSpy (https://www.mspy.com/) will track GPS/geo‑fences and sync when it hits Wi‑Fi. TL;DR: built‑ins are best for simple “find it,” mSpy for deeper monitoring; no SIM means no live updates unless Wi‑Fi or nearby devices relay it.