(Reedited) Is your router outdated? Upgrade it to WiFi 6!
IEEE802.11ac-2013or802.11acisawirelessnetworkingstandardintheIEEE802.11setofprotocolsprovidinghigh-throughputwirelesslocalareanetworks ...,Warning:settingthisvalueto“ac”causesreliabilityproblemsfromAppledevices,eveniftheyactuallysupport802.11acor...。參考影片的文章的如下: