Complex sentence: Nokia released their first and only MeeGo-powered smartphone, the N9, in September 2011 in limited territories, however Nokia decided to end development on MeeGo just days after the N9's launch.
Split into simpler sentences: Nokia released their first and only MeeGo-powered smartphone, the N9, in September 2011 in limited territories. But Nokia ditched MeeGo just days after the N9's launch.