@SRobert I shut down the wireless and all wired clients. At first attempt it give me the same error. At second attempt firmware was uploaded but, after a reboot, I have the same firmare as before 3th...

Hi. My router is Archer VX1810v v1.0 00000000, not VX1800v. I found a new firmware on your site (https://www.tp-link.com/it/support/download/archer-vx1810v/#Firmware) but, when I try to apply the...