I installed iNav, got it working, got it picking up satellites after installing GpsViewer. I am gonna do a soft reboot and tell you the steps I take, and time to get a GPS lock. Seems to be acting funny.
ok doing nothing but a soft reset, and running inav, it took about 8 minutes to get a lock. But I'm not sure if it is using your quick GPS to get the satellite locations, because my data was turned on while iNav was running. I need to look into that. Naturally without a data plan Verizon charges a million bucks a second if I use any data.
Ok confirmed. If I run iNav data connection turns on immediately, bummer...It must trigger the quick GPS program (I may uninstall that
But I turned the phone to airplane settings, and iNav lost signal. But then I turned on GPSviewer, and it found the satellites! and iNav regained connection!
Turned off GPSviewer, turned off iNav, turned on iNav and iNav got the satellites back...this is a tricky little phone.
So for right now I see myself - turning phone to airplane mode, turning gpsviewer on (to kickstart the GPS) turning iNav on, then turning the phone switch back on. This seems to work.
PS any mms sent or received also turns the data connection on. The workaround to getting the data connection off is just to turn it to airplane mode, then turn on the phone switch. That leaves the data connection off.