By Dave Snelling Anyone with an iPhone in their pocket will see a blockbuster update arrive later this year and it could be one the biggest ever. That’s according to Bloomberg’s Apple expert Mark Gurman who says the upcoming iOS 18 operating system may be “one of the biggest iOS updates – if not the biggest – in the company’s history.” It seems this software boost could be all about Artificial Intelligence (AI) and making features such as Siri a little more useful for consumers. That would make a huge amount of sense especially as rivals such as Google and Samsung continue to push the boundari…