I haven't had time to test it in different places yet. Because the geoinfo on my iPhone often has a slight offset, I can only test that the coordinates can still be obtained when it's locked. May verify it later when I get a chance to take photo in a...
Not sure whether this help, I tried on my iPhone and it seems okay to keep GPS syncing even when my iPhone locked:Setting > App > Camera Connect > LocationDuring normal installation, this should be "While Using the App"I changed it to "Always" and th...