The Tecno Phantom Ultimate G Fold Concept has a thickness of 11.49mm when folded. It measures 3.49mm in the unfolded state, ...

TECNO announced its trifold concept phone, the PHANTOM Ultimate G Fold Concept. This is apparently the "world's thinnest ...

Samsung's impressively thin book-style foldable phone is just 4.2mm thick when open and weighs 215 grams. But is that enough ...