Tecno is no stranger to the world of foldable smartphones and the brand is not afraid to show off its R&D experiments every once in a while. Following last year’s Phantom Ultimate rollable concept, Tecno is now showcasing the Phantom Ultimate 2 – a trifold concept device whose screen unfolds to 10-inches in diagonal. Current horizontal foldables are already blurring the line between smartphones and small tablets, but the Phantom Ultimate 2 is offering an even larger screen real-estate that rivals full-sized tablets. It can expand from a 6.48-inch screen size when folded all the way up...

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