Use the device menu or a network scanner to find the device's IP (often default 192.168.1.201 ).
colorkey , swsbzkgn , or no password (blank). zmm220 default telnet password
If the standard root logins do not work, researchers have also identified the following administrative combinations for related services: admin / 1234 administrator / 123456 888 / manage or manage / 888 How to Access the ZMM220 via Telnet Use the device menu or a network scanner
default Telnet password , you may be attempting to troubleshoot firmware, recover a locked device, or perform security research. Common Default Telnet Credentials ZKTeco ZMM220 recover a locked device