The Korea Economic Daily reports that Apple and Samsung today officially signed an agreement that will see the two companies working together on future A-series chips for Apple's iOS devices, with the deal specifically covering A9 chips based on a 14-nanometer process node starting in 2015. The claim comes just weeks after Taiwan Semiconductor Manufacturing (TSMC) confirmed a deal with Apple to begin producing A-series chips in 2014.Samsung Electronics had supplied the AP [application processor] to Apple since 2007 but lost the contract to supply 20 nano AP A8 chips to Apple to Taiwan's TSMC last year