Instead of a firmware update, they should simply produce the 4-way switch that everybody here is asking for.

@Chesky-Neuman1 Like everybody else, you keep asking tp-link to produce an actual 4-way switch to replace the "dumb" switches. With enough voices, they might actually listen and produce one.

@septer012 3-way switch works fine at either end of a circuit. A 4-way switch is needed for any in-between switches in the "chain" if you want them to all match. I want mine to all match (plus the...

The Kasa HS210 setup SUCKS, due to.....LACK OF INSTRUCTIONS. Plus the cruddy app fails fails fails. Half the time it doesn't detect the device, the other half of the time it won't let me name it...

If Kasa made an "official" 4-way wifi switch I would buy them for my house.