@coderus

~ $ devel-su
Password:


BusyBox v1.20.0.git (MeeGo 3:1.20-0.2+0m8) built-in shell (ash)
Enter 'help' for a list of built-in commands.

~ # apt-get install system-ui-brightness-qml
Reading package lists... Done
Building dependency tree
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
system-ui-brightness-qml: Depends: unrestricted-system-ui
E: Broken packages
~ #

need anything else?

EDIT: nvm, found your post in "[Unrestricted] Color brightness bar for Harmattan [v1.0.1] (11)" and reinstalled system-ui, everything work now. Thanks alot.