Rumours are bouncing around the tech world that computer giant Apple is working on a foldable iPhone.
An analyst for Wall Street firm Merrill Lynch has told investors that Apple is working with suppliers on the flexible phone, to launch in 2020, CNBC reports.
It could potentially double as a tablet, as it could be folded in half - allowing a much bigger screen than a normal phone.
Flip phones were among the hottest properties before the smartphone came along - but those models all had hinges.
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Apple is reportedly working on something with LG - one of only a handful of companies that can currently manufacture a bendable screen, the Engadget website says.
Engadget also claims Apple filed a patent application late last year for an electronic device that can be partly flexible and be foldable.
There's been speculation for a long time that foldable phones will be the next major breakthrough for the smartphone.
CNBC says Lenovo and Samsung have demonstrated foldable screens and other companies have filed patents, but they're still just concept devices.
Apple's Worldwide Developers Conference is set to take place in June, but it's thought to be unlikely to see such a major announcement.