You've seen the teasers, but now everything is official - Huawei introduced its foldable smartphone, called Mate X. It comes with 5G connectivity, based on Huawei's modem called Baolong 5000, and the company claims it is the fastest 5G smartphone. The device will also have 55W SuperCharge, making it the fastest charging smartphone, and Huawei says the Mate X can top up 85% of the battery in 30 minutes. In tablet mode, the Mate X has an 8" screen with a resolution of 2480 x 2200 pixels. When the device is folded, the main part becomes 6.6" with a resolution of 2480 x 1148...