Google Nest Community

I’m having all sorts of problems getting my Nest E up and running (it’s the white one on the base not wall mounted) im stuck with the download symbol on the display. I’ve tried hard resetting but it just comes back on again. I just can’t get past it....

I’ve just bought a Nest E system from a friend. It is brand new and still sealed. im going through the set up but on plugging the thermostat USB lead into the socket the unit isn’t illuminating and the set up process in the app can’t find the thermos...