Oh, wow, I didn't realize "Find my" worked even when both devices are offline! B...

oldbbsnickname · on Oct 26, 2023

Not really. The phone only appears "off" but is in-fact in a low power mode providing beacons. It won't work if the battery were removed.

Also, modern iPhones use tower-assisted GNSS (GPS, GLONASS, Galileo, QZSS, BeiDou, and NavIC) so the satellite isn't necessarily Navistar. With fewer or no towers, and positioned in an odd orientation on the ground, a good fix becomes much less likely, and the range can increase from <1m to 10's-100's of m.

lxgr · on Oct 26, 2023

> Not really. The phone only appears "off" but is in-fact in a low power mode providing beacons. It won't work if the battery were removed.

Sure, how else would it work? But people usually don’t disassemble their phone before losing it on a train/in a taxi etc.

> modern iPhones use tower-assisted GNSS

Yes, but GP says they didn’t have cell coverage where they lost it, so that wouldn’t help.