Slower-than-expected sales have forced Apple to slash iPhone X production by half for the January-March period -- to 20 million units from the earlier planned 40 million units, the media reported.
iPhone X loses the home button, which revolutionised smartphones when it launched; offers an edge-to-edge screen; and will use facial recognition to unlock the phone.
Apple iPhone launch UPDATES: Apple unveils iPhone X, says 'the biggest leap forward since the original iPhone'
Apple is holding its first event at the Steve Jobs Theater on the company's new spaceship-style campus in Cupertino, California.
Reported by Apple news website 9to5Mac late Sunday, the new devices will be unveiled at Apple's mega event, to be held at the Steve Jobs Theatre at its new headquarters in California on September 12.