They use it under licence from Cisco. See: http://www.apple.com/legal/trademark/appletmlist.html http://www.apple.com/legal/trademark/appletmlist.html IOS

They use it under licence from Cisco. See: http://www.apple.com/legal/trademark/appletmlist.html http://www.apple.com/legal/trademark/appletmlist.html IOS is a trademark or registered trademark of Cisco in the U.S. and other countries and is used under license.