I\'m currently developing an iPhone application which needs location services for various use including AR.
I test everything on simulator and on my iPhone 3GS and e
I've found the answer! It came from region monitoring, which I enabled before, but removed all code using it weeks ago.
As I had already tested on the iPad, and even if I deleted and re-installed the app, the system seems to have kept information on region I monitored.
Thus, as described by the documentation, the iOS kept on locating for my App, just as startMonitoringSignificantLocationChanges.
Thanks for you answers, it gave me a better understanding of the location system and how to efficiently use it (in particular thanks to progrmr and Bill Brasky)