@Marvin_S Yes, the slowness on download follows the device around. The upload is unaffected. One the other device I get around 100Mbps download on average. On the device with an issue its usually...

I have a TL-WPA8631P kit with and additional TL-WPA8631P and I have very slow download speeds when I do a speed test connected to one of the extenders. It is the same on WiFi and wired. The upload...