Apple iPhone sales dip despite AI rollout

Sales of Apple iPhones dropped the end of last year, as the tech firm's roll out of new artificial intelligence (AI) features was met with a lukewarm response.Chief executive Tim Cook said the new features helped to drive stronger sales in the countries where they were available, such as the US.But iPhone sales slipped about 1% overall compared with last year, to $69.1bn (£55bn).The company is also contending…