@TranHung Here's a discussion about mixing wi-fi 5 and wi-fi 6 clients on Reddit.

@joshibbj Have you tried with these wireless settings: Wireless Mode: 11bgn mixed Channel: Auto Channel Width: Auto Wireless Security: WPA2-PSK Encryption: AES If it doesn't connect again you may try...

@Bill_O Make your wireless settings like this for both bands: Then test. Here's an official guide for that.

@Enzofielt If you choose to upgrade the EAP245 FW as well (not mandatory), you should know that: Your device's configuration will be lost after upgrading and you need to re-configure your devices...

@a_23_s Use this guide (Case 2) to configure C2 in AP mode. Set its LAN IP address static so you can access it easily.

@Efendie Follow this guide to configure Parental Control on your device.