Can you still remote control the bulb via kasa app? Make sure the remote control via kasa is working properly.

Never see any beta here.. Where did you get that beta? tp-link support by email? If yes, it's better to reply him/her directly to confirm and share that with us here:)

does it happen recently or it never be blocked successfully? Have you tried adding Fortnight domain name under APP/Website? try this..

If you want to connect the switch directly to the main router, you have to switch it to AP mode.

Perhaps tp-link Kasa team should consider releasing dimmerable smart bulb in future. Did you unpack all these devices? try to adjust smart bulb to 100% lightness with app to see whether you can dim...

Are the LED normal? Can you get wifi LED? Do you mean your modem is also not working at this moment? In that case, we even can't tell whether the wired connection is still working or not on the...