Chinese smartphone company Infinix has unveiled a concept for a tri-fold phone that packs down to the size of a credit card and can be used as a clip-on camera. Displayed as a prototype at this year's ...
OPPO has designed a triple folding concept phone dubbed the Slide Phone. The phone can unfold three times over to reveal a large 7-inch display. The design was previously seen in patents filed by OPPO ...
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