D is a ADSL modem. ADSL modem can not support VDSL line.

TPLink often upgrade their hardware when their number changed, such as v1 to v2. I do not know what is a v1.1 version, maybe only in firmware? You can try to upgrade, if the firmware for V1 is not...

How long did you buy it. Wired connection is a reliable connection. The best way to test your connection is ping the router constantly. Type a ping 192.168.1.1 -t in your laptop command window when...

geekson wrote Hello, EDIT2: I've been trying the australian firmware 170511 which didn't work so far. This is when I figured my phone was somehow related to this bug. As soon as I connected to the...

Do you mean TL-WR 841HP? < http://www.tp-link.com/en/products/details/cat-9_TL-WR841HP.html> That seems tplink's router products. Email support@tp-link.com to let them help you

geekson wrote OK it just crashed again... How about disable your 5G WIFI? Some guys say it works without crash