Hello! If none of the passwords from here (https://minerstat.com/help/what-are-my-asics-ssh-credentials) work, then maybe the SSH access is disabled. You can still use minerstat for monitoring Innosilicon ASICs without SSH: https://minerstat.com/download/asic-hub#non-ssh
Hello! Thank you for your interest. You can apply for early access at this page: https://my.minerstat.com/early-access Currently, a waiting time is a couple of days.