@TP-Link_Deco Both units (upstairs) 2 and 3 are the same distance from the main deco unit 1 downstairs but I will try this shortly. With regards to when I purchased them, it was 5th August this year.

Hi all, I'll try to be as descriptive as possible here, please bear with. I have 3 x Deco M5 AC1300 units. VM hub is set to modem mode Unit 1 downstairs is hard wired to my Virgin Media hub - No...