@satimis " Can I perform this step on a wire-connected computer in this network? ". That's the whole idea - to login the router web management via a wired computer and check what the wireless...

@satimis I still didn't get which password you forgot - wireless password for your router or its web management (administrator) pasword. In either case if you follow the appropriate guide from my...

@satimis If you forgot your router wireless password, follow this guide to recover it. If you forgot your router web management password then follow this guide.

@Abhijit92 Double check your router bottom sticker to determine its FW region and HW version - details. What if you set your 5GHz band to channel 149 - does it stand after setting it ? Here's a...

@DmitriyF Here's how to configure a guest network on Omada controller. Most probably Method 2 and Method 3 are what you're looking for.

@fatih1 If you get the Tether app you can manage the router with this app, but nothing more, i.e. you won't get an SSH console access.