bergje1961 wrote So just let me get this straight. I buy 2 x TP-Link TL-WPA9610 KIT and 1 x TP-Link TL-PA9020P KIT for € 415. I unpack and connect the first adapter to my router. And every time i...

Have you tried different USB port? Try it with another USB port. What's the format of the 4TB HD? Does it work properly when you plug it into PC?

The update of this modem is made by ISP and we can't /needn't update it ISP will push the new firmware automatically once there is any new.

Hi Thom, it seems it's safe to keep this modem. you can refer to this state on tp-link official website. https://www.tp-link.com/en/faq-2213.html

I consulted the similar issue as you before. tp technicial support did a test and it's working well with three formats. Later, they helped me solve it out through teamviewer but I can't remember what...

yes, it's normal for that. Every time I login and I am also on that Quick Setup page. Perhpas, tplink set that page as the home page~