Shelly support group (English Version)

Does anyone know how to wire a Shelly Dimmer 2 to 3-way switches? We have two standard 3-way toggle switches (without dimmers) and would like to use the Shelly as a dimmer and smart switch.

Shelly support group (English Version), I've just received a batch of Shelly1 plus

Shelly support group (English Version), Hello, I would like to understand - do S1 to S4 switches (I marked red on schematic) totally bypass SHELLY PRO 4PM device

Shelly support group (English Version), Dimitar Dimitrov there is a plan to improve the functions of the Shelly 3EM