@PaulPP Did you forget to unzip the file? :-)

@Kevin_Z Thank you Kevin. I will wait for response from your engineers.

Uptime 2 hours 42 minutes and modem generated 2 737 653 errors. And speed is unstable. Still I don't know why. Today (21.02.2021) about 4 random crash. It's crazy.

But now, again crash and now regulary restart. Activity on internet: teamspeak 3 client with one another people :X Uptime modem about: max 2 hours. Screenshot after restart: EDIT: 21:28 - again

And crash! But with news! Modem didn't restart and crash only connection. There is screenshots: My last stats what i saved: All icons on routers was fine! DSL too. I restarted the modem and...

Because no one reaction on https://community.tp-link.com/en/home/forum/topic/225790 I'm creating own topic. Firstly. Last beta firmware no help. It is still absolute same. My last crash: 19.2.2021...