If your Euronet DVR uses encrypted firmware that stores passwords in the flash memory (not volatile CMOS), a battery pull will not reset the password. In that case, you need a firmware reflash.
This article provides a definitive, step-by-step guide to resetting a Euronet DVR password. We will cover default credentials, software reset tools, backdoor access codes, hardware resets, and critical precautions to avoid data loss.
Master codes are case-sensitive. Try these in the password field while leaving the username as admin .