What tool are you using to measure uptime? Why would you install a firmware update if you had no issues? I use 5 x 9020P (and 1 x 8730) in a network for video streaming and Sky Q - and commonly get...

Call the WiFi network the same SSID on each device and you will move between them automatically as you move around the house....

Peter M wrote This is a user forum, not a vendor support chatline. erm, no, that's not what it's meant to be. This is linked to from the TP website as a Technical Support Forum:...

Not my experience - constant issues with several PA9020P adaptors, zero with the 8000 series...

Isn't the support here from TP Link great?! Try a hardware reset on the adaptors. Hold down the link button for about 20 seconds....