@Kevin_Z @Liverpool20 Just to update you I found the cause of my problem and was able to update the firmware. All my previous attempts to update the firmware was via having the device connected via a...

Hi @Kevin_Z many thanks for the reply sorry I've not replied earlier. They are TL-WR902AC(EU). I have an email and will reply

@Liverpool20 Can confirm both are the EU version (specifically UK and it's the UK support site I download the firmware from) and both are V3 hardware. Many thanks for replying

I have 2 UK version of TL-WR902AC devices. On the UK Support site for this device I see there is a new firmware TL-WR902AC(EU)_V3_0.9.1 Build 220329 which I have downloaded but I am unable to get the...