If you live outside China, your choice of folding phones is limited. And if you prefer the retro appeal of a flip-open smartphone, your options are basically Samsung's Galaxy Z Flip 4 or Motorola's Razr 2022, along with the more specialist rugged Cat S22 Flip. 

Now these flip phones have some serious-looking competition from a leading Chinese manufacturer in the shape of the Oppo Find N2 Flip, which has launched internationally following its debut in China late last year.  

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Described on-stage in London on February 15 as 'a new benchmark for flips', Oppo's first flip phone offers a large portrait-mode cover screen, a crease-free hinge for the 6.8-inch main screen and a high-capacity battery, along with a versatile camera system. 

In the UK, the Oppo Find N2 Flip with 8GB of RAM and 256GB of storage will cost