OK, finished testing all the situations with all the channels and all the radios. Final conclusion - GPS works well.
Made an instruction how to use GPS on Nexus 4: http://askubuntu.com/a/760031/514318 Issues I described previously was caused by this bug: https://bugs.launchpad.net/ubuntu/+source/location-service/+bug/1468020 (then more GPS apps are running at the same time) -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to location-service in Ubuntu. https://bugs.launchpad.net/bugs/1368647 Title: GPS and location detection not working on Nexus 4 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/location-service/+bug/1368647/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs