Xiaomi Mi Mix 4 is now official. Xiaomi has expanded its Mi Mix series handset lineup in its home country China and is touting it to be a “boundary-defying Mix series” smartphone. The key highlights of the Mi Mix 4 include an under-display front camera, “Point to Connect” Ultra Wide Band, Qualcomm Snapdragon 888+ 5G Mobile Platform, 120W wired fast charging, 50W wireless fast charging, and more. Xiaomi Mi Mix 4 features and specs Running on MIUI 12.5-based Android operating system, the Xiaomi Mi Mix 4 smartphone offers a display of 6.67-inch FHD+ AMOLED 3D curved display of 2400xx1080p resolution...