@David86 Sorry and here is the correct link: https://www.tp-link.com/it/support/contact-technical-support/#Hotline-Support Thanks.

@Spamtomas Hi, thank you very much for your feedback. Just to confirm, before the firmware upgrade, if the login password is over 15 characters, after the firmware update, you could not use the same...

@Bernardo12 Hi， Did both of them have an orange light, or just the slave unit? Is there another wall socket to plug this adapter? And if possible, please also try to turn on the VDSL mode to see if...

@DiveFrosty Hi, Normally V1 could not update the firmware of V4. And could you please double check both of the TL-PA4020P are V1 or V4? By the way, since you have updated one of them already, could...

@Popsicle Hi, If your adapter is TL-WPA4220 v3 and V4, there is also a beta firmware which would turn off the DHCP function when the 4220 used the static IP address;...

@Harry1979 Hi, like Philbert mentioned before, did you turn off the Wi-Fi move and change the SSID again to see whether there would be two separate SSIDs for each of them?...