I don't think Apple should be worried. They are still relying on Samsung, just using TSMC as second source to keep pressure on Samsung for low price. Pretty standard technique almost every big fabless company uses this trick.
As we unveil EE Times’ 2015 Silicon 60 list, journalist & Silicon 60 researcher Peter Clarke hosts a conversation on startups in the electronics industry. Panelists Dan Armbrust (investment firm Silicon Catalyst), Andrew Kau (venture capital firm Walden International), and Stan Boland (successful serial entrepreneur, former CEO of Neul, Icera) join in the live debate.