@David-TP So why haven't they received the same firmware updates as V1? They are currently months behind.

While the XE75/Pro had a firmware update to v1.4.1 last September, no such update has been forthcoming to V2 (or V3) which is still stuck on v.1.2.11. Does this mean you have abandoned the V2 and V3...

OK, I've found a workaround... if you follow the instructions in the PDF that is in the firmware distribution zip, i.e., log in at tplinkdeco(dot)net and perform the upgrade then nothing happens (but...

@David-TP No, nothing in the logs.

I downloaded the 1.2.10 firmware from the EU website for my 5 x XE75Pro v2 (EU) and attempted to upgrade via the web interface. Having selected the (unpacked) upgrade file and pressed the Upgrade...

@IanAlmighty That's good to hear.