I'm running Ubuntu Touch 15.04 on Nexus 4 and GPS does not work.
Of course I enabled 'Location Detection' and 'GPS' in the top menu.
Furthermore I have enabled 'Celluar Data' in the Settings menu and gave permissions to the corresponding apps.
Unav, GoogleMaps and Sensorstatus, they all are not able to locate me.
I tried it with the stable channel (15.04 r5) and the RC channel (15.04 23 (I.e. OTA7))
Anyone any Idea to use GPS successfully?
Here are some screenshots. I wonder, cause there are less possibilities than in costales links.
I even tried it near the window over hours with WIFI powered of.
I flashed now the rc-proposed/BQchannel. My settings menu looks now different, but GPS is still not working.
Finally I found this Bug-Report, maybe it is an already known bug.