" I don't seem to be able to access the internet near the remote device upstairs" You are connecting via Ethernet? Does it work if you remove the Ethernet cable from the powerline adaptor near the...

Totally agree on the support. Once I got through to UK support they were great but I had to prompt them to upload missing firmware on the UK site. The proper way to do it would be central version...

It should be relatively easy to remove a wall socket and rotate that! As your Aussie cables appear to come out of the centre of the plug rather than the bottom, that shouldn't have any disadvantages?

What exact Powerline adaptor models? Have you disabled the BT Wifi or made sure it uses different channels from your Powerline Wifi " I only seem to be able to use the wifi connection to stream the...

V1 firmware wont install on other hardware versions. Try this http://static.tp-link.com/TL-PA9020P%20KIT(EU)_V3_170623.zip

Flashing via Ethernet is much more reliable than over WiFi and - or your powerline network. Also, If a firmware update fails part way through it can brick the adaptor. (No LEDs light when powered...