After a longer period of dispair, I have found the way to reproduce a problem that annoys me very much.
The brilliance of being able to launch the 41MP camera from screen locked mode is awesome. But after the phone has been in Offline profile the camera (physical button) stops working.
1. after restart, the camera button works fine, both in unlocked screen and in locked.
2. activate the Offline profile
3. from now on the camera button does not work in unlocked nor in locked screen. You have to find and press the camera icon in the UI.
4. the camera button works as normal when in the camera mode and when in the gallery view mode.
5. even going back to Normal profile will not fix this problem. The only way to get the functionality back is to restart the phone.
6. one odd thing I found in Offline profile is that the phone is asking for security code. I don't have the security code activated normally.
Work around is to restart the phone.
Will there be a bug fix for this?