I put a test app/programm on my Ringo into Circut Os and I can´t G
get back to the menu and I can´t use Circut blocks to restore it.
What shoud I do?
Hello there @Jrko, I’m sorry about the problem you’re having. Please reach out to us at contact@circuitmess.com and tell us a bit more about the error that appears when you try to restore the firmware. Thank you! 
Dora from CM