Is there a FW update planned, this firmware is already 1 years old. I am pretty sure there are vulnerabilities...

@MrGereo you can browse and login to your deco m9 plus directly. After logging in it gives you the oppertunity to upload a new fw file to that specific deco m9 plus.

@TP-Link Press [Post] to quickly ... The GUI of the satellite does not show the information like the GUI of the main device like the image from my previous post. It would be good to have the same...

@TP-Link Found the problem ... You are right, I tried to update the wrong room, this is a V1. I was convinced that I was using the correct IP address ... It would be nice if the HW / FW versions and...

@TP-Link Correct, my main deco is a Deco M9Plus V1. I uploaded the FW via the GUI of the V2 satellite. I also tried to upload FW 1.5.1 for the V2 and seems to have the issue

My current version of my Deco M9 Plus V2.0 is 1.5.1 Build 20210126 Rel. 59387. I am trying to upgrade it to 1.5.3_210309 by it fails over and over. - downloaded latest FW from TP-link site...