Huawei has revealed its first smartphone to feature a foldable screen, less than a week after its rival Samsung did the same.
The rival handset-tablet hybrids have contrasting designs.
Huawei's Mate X places its fold-out screen on the outside of the device, so that it covers the front and rear of the phone when closed.
In both modes, the display is larger than Samsung's. Huawei's device is also flatter and thinner when shut.
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