hey dude, how many LAN subnets do you have after connecting the TL-SG105E to the router?Did you use the switch to set some VLANs?

hey dude, I think you can contact tp link support, they will help you

hey dude, I have this device as well, I tested this, But I am able to log in using any website browser, maybe you can try to set a static iP for it to see if you are able to log in? What's more, I...

hey dude, the latest firmware on the official website is most reliable, other betas may be harmful

hi federer, I suggset you contact tplink support for more professional help

Hi Frank, I suggset you contact their support for detailed information, they will be willing to help you