@Jokker Good. It means wired link between Main Deco and router is without issues. I just helped someone with troubleshooting their WiFi speed related issues, so not to repeat myself I'll just link to...

@KenjiBailly You should return these if they don't meet your expectations. Two things to mention: 1. X20 is the most budget Deco model from X-series (WiFi6). These won't be speed daemons. Mid-range...

@Jokker Do you have asymmetrical Internet link, such as gigabit down/250Mbps up? This "Test Internet Speed" is speedtest over wired connection from Main Deco to the router. If you had symmetrical...

@Mark--TP Check this forum topic and see if you can manually upgrade your XE75 Pro with firmware provided there: https://community.tp-link.com/en/home/forum/topic/617382 The problem description is...

@Jokker Your new ISP router is most likely WiFi6 capable, that would explain speeds you are getting. Deco M9 Plus is WiFi5, it will be slower. I have M9 Plus and M5 Deco mesh, the best speed test...

@KenjiBailly Still not as good as one would expect from WiFi6 and gigabit Internet, but perhaps there is a lot of WiFi interference where you live. What is associated link speed on device you are...