In theory you could go back to around ~1992 and still make calls/SMS. You can't backdate the clock so I don't know. Not sure if iPhone can do 90s degraded resolution civilian GPS. You'd also need SIM cutter and I'm not sure how those standards have changed over years. Followers?https://twitter.com/DANGEROUS_media/status/979359662758858758 …
I would assume a device with GSM gets the approximate date off the cellular network as a starting point for GPS search and a basis for interpreting the week number, no?
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It should. Can't speak for iPhone, but android has apps that let you reset AGPS buffer and force a cold or warm GPS restart. It just needs one sat to get a time signal and rebuild internal "map".
Thanks. Twitter will use this to make your timeline better. UndoUndo
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