on december 8, 2015, mozilla announced that it would stop sales of firefox os smartphones through carriers. mozilla later announced that firefox os smartphones would be discontinued by may 2016, as the development of "firefox os for smartphones" would cease after the release of version 2.6. around the same time, it was reported that acadine technologies, a startup founded by li gong (former president of mozilla corporation) with various other former mozilla staff among its employees, would take over the mission of developing carrier partnerships, for its own firefox os derivative h5os.