@Louen Hello, WPA4220 V5 Beta firmware is to turn off DHCP function after set up static IP. While use the beta, after reboot PLC, DHCP may start again. So it is recommended to keep WPA4220 powered on...

@markoGGGGG Hello, If Range extend could see 5Ghz but fails to connect to it, please check the Led status on RE and try suggestions in the below thread: Has connected to TP-Link extender but no...

@Beannie Hello, You could try the 1.1.9 Beta firmware provided above by other users from their response the quality improved a little.

@Beannie Hello, May I know the model of your camera , is it C210 or C310? For C210 V1, if your concern is with 3MP video quality, you could try the beta firmware shared by the users shared above....

@MustafaOzturk Hello, > Unplug WPA4220 V1 and plug it back in, check the IP address on Utility, connect your mobile phone to WPA4220 V1 and use its IP address to login again. > If that does not help,...

@Cynnie1cynthia1 May I know the model of your tp-link device: https://www.tp-link.com/support/faq/2053/ Do you want to change wireless password for it?