There are only a handful of foldable smartphones in the smartphone market presently. Huawei and Samsung are the pioneers of the foldable smartphone market. They collectively have more foldable smartphones than all other manufacturers put together. However, since the ban on Huawei, its pace of developing foldable smartphones have been quite slow. At the end of last year, the Chinese manufacturer released its first vertical opening and closing foldable smartphone, Huawei P50 Pocket. At the time, this device was only available in the Chinese smartphone market and it has an 8,088 yuan ($1412) starting price. Since then, there have been...