Sales of Apple iphones are expected to fall this year - for the first time since they launched in 2007.
The company has reported the slowest growth in iPhone sales and is blaming the faltering Chinese economy.
The device drives two thirds of the company's revenue - but it still posted the largest single quarterly profit in corporate history - over 17 billion euro at the end of last year.
Susan Keogh has been speaking to Technology Editor of the Irish Independent Adrian Weckler about whether we've reached peak iphone:
