FAQs SDK Release The SDK available for user development is being organized and is expected to be released in a week. What are the default username and password for the system? Username: linaro Password: linaro Switch to superuser: sudo -s What should I do if the system starts abnormally and keeps rebooting? It may be due to insufficient power current; please use a power supply with a voltage of 12V and a current of 5A or more.