Mi Mix 4 UNBOXING and Initial REVIEW – Xiaomi’s FIRST Under-Display Camera Smartphone.Mi Mix 4 UNBOXING and Initial REVIEW – Xiaomi’s FIRST Under-Display Camera Smartphone.13 octubre 2021 https://www.youtube.com/watch?v=vBC5YEOJrWU Mi Mix 4 UNBOXING and Initial REVIEW – Xiaomi’s FIRST Under-Display Camera Smartphone.