[ezfe]

They use the same system

[ComputerGuru]

They didn't use to, though. And you can't get that old functionality back while disabling the new.

[Retric]

Yes you can, they have different toggles.

There are currently two independent systems for finding your phone that work in different but complementary fashions.

Well arguably 3 systems, an iPhone can also be set to report it’s location when the battery is low.