India, Dec. 16 -- Oppo is developing a foldable smartphone with Nendo. Below is the transcript about the device from Nendo's website.

Among foldable smartphones with OLED panel monitors developed in recent years, most follow the trend of folding to the size of a standard smartphone and unfolding to a screen two or three times as big. By using the folding technology, portability was enhanced exploiting the compactness for a new sense of functionality instead of the screen being enlarged.

The phone in its folded state is 54 mm by 86 mm, the size of a credit card, featuring three hinges folding over in the same direction. Like an inchworm, the phone makes use of its multiple joints to in effect slide sideways, and can be transformed only b...