One thing I’ve learned from locking down my Android phone (see #pknsrda):

The data for assisted GPS does not come from Google or, better yet, A PUBLIC SERVICE, but from a server hosted by the hardware manufacturer. Without regularly fetching fresh A-GPS data, the GPS performance is much worse (https://en.wikipedia.org/wiki/Assisted_GNSS).

This means that the hardware manufacturer has (more or less) direct control over whether I’m able to use GPS or not. This isn’t an Android setting, it’s buried deep within the device, no way to change the URL. If that manufacturer decides one day to cut me off, for whatever reason, or goes bankrupt or whatever, then I’ll have to buy a new phone.

And of course, this data transfer is encrypted as well, so I don’t know what my phone sends to those servers.

All this smartphone business is such a clusterfuck. I should have never bought one of those things.

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