The phone is a piece of engineering marvel: when unfolded, the device measures only 3.6mm thick, making it the new thinnest portable computing device in the world. This slimness is needed, because when completely folded up, it is essentially three stacked layers, which then does increase thickness to 12.8mm.

Huawei and Apple's latest smartphones went on sale in China on Friday, with many fans of the Chinese company disappointed that its much-anticipated $2,800 phone - more than twice the price of the iPhone 16 Pro Max - was not available for walk-in customers.