Trezor app wants me to set up my model1 but I have already used it and have a wallet set up

So I plugged in my model1 and instead of asking for the sign in code, I have been asked if I want to set up my Model1. I have my seed code. If i go into set up mode will I be given the chance to enter my seed? I plugged it in with on button pressed to see if it would enter boot mode but it didnt.