p0et wrote try this one http://www.tp-link.com/us/download/TL-PA9020P-KIT.html#Firmware That worked!!! Both adapters updated at the first try! Question is: why do I need to use the US firmware update...

Model : Hardware Version : Firmware Version : ISP : Hi, I have two TL-PA9020P kits, all bought here in Australia. Two of the adapters are V1, the others are V2. I decided to update the firmware...