Hi@neoheresy, Welcome to our community. The exclamation mark means that the router has no network. But the router stops broadcasting the SSID and it's like the router is bricked. If you don't mind,...

Hi @JohannR, Welcome to our community. You can still try to visit http://tplinkwifi.net, and log in with the username and password you set for the router.

Hi@timothypercival, Feel free to update here.

Hi@Selooo, Thank you for getting back to me. Please help collect the following information and send it to support.forum@tp-link.com, attaching [Forum ID 815400] and the details. We will then assign a...

Hi @Ardz, Have you tried to update firmware via WebUI? This firmware is applied to Deco M9 Plus_V2.0/V2.2_1.6.4

Hi@YanniSkag, You are awesome~! Your sharing is essential, especially for users who encounter the same problem. You mentioned that other users also encountered similar problems with MikroTik...