nonsupport
mix3 supports dual-band WiFi and does not support WiFi 6
MIX3 adopts a custom antenna tuning scheme to reduce the headroom area, and the jaw size is shortened a lot, but compared with iPhone XS MAX, there is still a slight gap. Fortunately, MIX3 supports dual-frequency GPS, 4X4MIMO, 2X2 WiFi, 6-mode 43-frequency and full Netcom 5.0, which completely outperforms Apple in position positioning and communication capabilities. It also supports 10W wireless charging.
No support, Mi Mix 3 is not supported. mix3 was released at a time when WIFI6 was not widely available. Xiaomi started using WIFI6 in early 2020.