phablet@ubuntu-phablet:~$ ls
Documents  Downloads  libsystemsettings1_0.3+15.04.20160429.2-0ubuntu1_armhf.deb  Music  Pictures  ubuntu-system-settings_0.3+15.04.20160429.2-0ubuntu1_armhf.deb  Videos
phablet@ubuntu-phablet:~$ sudo mount -o remount,rw /
[sudo] password for phablet: 
phablet@ubuntu-phablet:~$ sudo dpkg -i *.deb
(Reading database ... 45717 files and directories currently installed.)
Preparing to unpack libsystemsettings1_0.3+15.04.20160429.2-0ubuntu1_armhf.deb ...
Unpacking libsystemsettings1:armhf (0.3+15.04.20160429.2-0ubuntu1) over (0.3+15.04.20160412-0ubuntu1) ...
Preparing to unpack ubuntu-system-settings_0.3+15.04.20160429.2-0ubuntu1_armhf.deb ...
Unpacking ubuntu-system-settings (0.3+15.04.20160429.2-0ubuntu1) over (0.3+15.04.20160412-0ubuntu1) ...
Setting up libsystemsettings1:armhf (0.3+15.04.20160429.2-0ubuntu1) ...
dpkg: dependency problems prevent configuration of ubuntu-system-settings:
 ubuntu-system-settings depends on aethercast; however:
  Package aethercast is not installed.

dpkg: error processing package ubuntu-system-settings (--install):
 dependency problems - leaving unconfigured
Processing triggers for libglib2.0-0:armhf (2.44.1-1ubuntu1) ...
Processing triggers for mime-support (3.58ubuntu1) ...
Processing triggers for libc-bin (2.21-0ubuntu4.0.1) ...
Errors were encountered while processing:
 ubuntu-system-settings
phablet@ubuntu-phablet:~$ apt-cache policy aethercast
aethercast:
  Installed: (none)
  Candidate: (none)
  Version table:
phablet@ubuntu-phablet:~$ apt-cache search aethercast