I have this same problem with not responding to hi ESP wake word, as it works in youtube video's its obvious the wake word model is bad or the engine code is wrong.

basically the v021 en demo is broken, a broken demo is a little embarrassing especially when shipped with it.

It Responds! I have downloaded and flashed 'test.bin' It recognizes 'alexa' (from upto 3m distance) and 'turn on the light' & 'turn off the light' so this proves HW is functional, but it will not respond to hi-esp with other firmwares, this is very very puzzling that firmware ok for everyone else d...

updating unit.

https://youtu.be/gDq0usur58w

hi ESP_Sprite, I have disassemble unit and checked cable and appearance was ok, I removed cable and refitted but unit still didnt respond to sound, as cable is not polarised I reversed cable incase of a bad cable/conductor but still no change. hi ESP_Rachel, I have tried unit with video but no respo...

I seem to have received a 'faulty' esp32box with an issue detecting the wake word, i'm sure it a simple HW issue and I am more than happy to try repairing this instead just returning it, I had to wait 5 weeks to receive it.

I have updated it to the latest FW

https://youtu.be/gDq0usur58w