Invisible front camera, Snapdragon 888 Plus, 108MP, 4500mAh and 120W for $ 770. Xiaomi Mi Mix 4 starts selling in China Today in China, real sales of the new flagship Xiaomi – Mi Mix 4 start. This is the first smartphone of the company with a sub-screen front camera, in the future it will increasingly be used in other models of the company. Pre-orders for Mi Mix 4 began to be accepted almost immediately after the announcement on August 10, and their entire volume sold out very quickly. At the moment, only one site JD.com has more than 520,000 applications...