nova5pro does not support WiFi6. nova5pro is WiFi5. Although it does not support wifi6, the download speed is also very fast. wifi6 must be supported by the phone to use wifi6.
What is WiFi6
WiFi6 is a naming convention proposed by the Wireless Network Standard WiFi Consortium to change 802.11ax to wifi6, released in 2019. WiFi6 performs even better, with a maximum network speed of 9.6Gbps and optimized uplink coverage.