After many users reported of camera error on their N9 nokia device, meego.org announced a fix for this problem.
Go to Settings -> Security -> Developer mode and set it on (it will give a warning to you and notice that it will reboot after setting developer mode on) just click yes and yes to the issued warnings
After reboot you’ll have Terminal in the apps-menu screen, click it
Now you should have a terminal in front of you ~$ and a square pointing at awaiting input from you and your virtual keyboard popped open
enter to the letter
it will prompt for password – enter
it will show you the following lines:
BusyBox v1.19.0.git (MeeGo 3:1.19-8+0m6) built-in shell (ash) Enter 'help' for a list of built-in commands. mesg: Operation not permitted RM696-34-1_PR_001:~#
and you’re done
you can go and deselect the developer-mode after these steps and the final reboot.