Based on the search term , the relevant feature is typically called Firmware Upgrade (or sometimes just Upgrade ).
Updating firmware carries a risk of bricking the device if done incorrectly (e.g., power loss during update, wrong file). Only proceed if you have a specific issue the update fixes, or if ZKTeco support recommends it. Back up all user data first. zkteco firmware update
If your device is part of an active enterprise system (e.g., 50+ users), test the firmware on a spare unit first. When in doubt, hire a certified ZKTeco technician. Based on the search term , the relevant
Updates resolve known glitches that may cause devices to freeze, misidentify users, or fail to sync data with the ZKBio Time or CVAccess platforms. Based on the search term