Is it possible to force localization through a specific satellite system in case of jamming/bad reception. I see on GPS test that my phone (S23+, Android 14) can receive Glonass/Galileo/Beidou But I did not manage to base navigation on one of them (Maps or other). I will be happy to find a solution, preferably with offline maps, in order to minimize external data dependency.

I tried using apps like [GPSTest](https://play.google.com/store/apps/details?id=com.android.gpstest&hl=en_US&gl=US) and [GPS Info](https://play.google.com/store/apps/details?id=ru.slybeaver.gpsinfo&hl=en_US&gl=US) to see what GNSS my phone actually uses. I can see GPS and GLONASS on a Moto Z3 Play, and GPS, GLONASS, and GALILEO on a OnePlus N10 5G. Both phones should also support the Beidou system, so I'm wondering if there is anything preventing these phones from seeing/using Beidou/BDS

Are GPS-tracking apps data dependent or will devices use GPS signals alone, to notify their locations? I am looking for a GPS-tracking app to track family members on a trip where we gonna have limited network coverage, and in some areas no coverage at all. I am not sure if these apps need data connection to send the location to another device, or they would only use GPS signals.

According to a colleague who has the new Nexus 7 (2013) model already, there is a GLONASS sensor in addition to the GPS one in the device. Is this true? I was unable to find any reference to this alleged fact in the official documentation and via a casual web search. Please state your sources in your answer(s).