<ul><li>The European Union is preparing to warn Apple to open up its iPhone’s operating system to competing technologies.</li><li>Apple faces the risk of substantial fines if it fails to comply with the new rules requiring operating systems to be fully interoperable with other technologies.</li><li>The EU wants Apple to re-engineer its services to allow rival companies to access the iPhone's operating system and key features.</li><li>Failure to comply could lead to a formal investigation and hefty fines of up to 10% of global annual turnover.</li></ul>

Apple faces EU warning to open up iPhone’s iOS operating system

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