Can you get internet access if you plug it into your PC directly? If yes, try to click on 3G/4G USB modme settings to set APN and dial number manually

What's the iOS version? logout Deco APP and reopen it. Then, try to login and reconfigure it. good luck..

Yes, we can but the wireless speed will decrease in this connection. Better to extender the wifi like this: VR900 router -> RE6001 -> Devices VR900 router -> RE600 2-> Devices That's to way, we'd...

hey, you may have a look at this: https://www.tp-link.com/us/faq-2229.html

Do those devices connect before? If yes, they will be displayed there. The new update will hide those offline clients automatically.

It seems they are working on this and I get a reply that it will be supported with the update in August. Hope this won't be delayed.