I don't know how it was done, but after walking past The City Police HQ, my GPS for hours showed I was there. this is after phone reboots, etc. Unfortunately I

I don't know how it was done, but after walking past The City Police HQ, my GPS for hours showed I was there. this is after phone reboots, etc. Unfortunately I wasn't on a rooted android (iPhone 6+ at the time) so I couldn't verify.