: Press and hold the M or OK button until the menu screen appears.
If an administrator left the company or you forgot the password, you are locked out of both the menu and the software. You must bypass the admin lock to perform a reset. Using the Tamper Switch Hack
"It’s just a machine," Sarah muttered, her eyes scanning the device's color screen. She knew that to regain control, she needed to perform a factory reset or at least bypass the admin lock. The Software Gambit
:
When to contact support
If you can access the device settings, this is the most straightforward way to wipe all data and settings. (or OK) button to enter the main interface. Navigate to the (Data Management) icon. Restore to Factory Settings (sometimes listed under Data icon > Restore to Factory Settings Confirm the action by selecting
: Within 30–60 seconds of a short beep sounding after power-up, press the tamper switch three times .
Set the Subnet Mask (usually 255.255.255.0 ) and Default Gateway. 2. Device ID
Select and choose All Data (includes user templates, fingerprints, and attendance logs).
If you cannot enter the menu because of a forgotten admin password, you can use a time-based "Super Password":
I can provide the exact password generation steps or network commands for your specific setup.
The screen will prompt a confirmation message. Select to confirm.
: Note the exact time shown on the device's home screen (e.g., 14:20). Generate a Super Password Subtract the current screen time from Square the result ( The resulting number is your Super Password for that specific minute. Enter Service Mode . When prompted for an ID, enter and enter your generated Super Password. Clear Admin : Once in the menu, go to and select Clear Admin Privileges
However, what happens when the administrator forgets the password? What if the device becomes unresponsive, rejects fingerprints, or displays an "Error: Communication Failure"?
If you are locked out because the former administrator left or forgot the password, a standard factory reset isn't immediately possible. You must first bypass the admin lock using the ZKTeco backdoor tool. Step 1: Get the Device Time
: Press and hold the M or OK button until the menu screen appears.
If an administrator left the company or you forgot the password, you are locked out of both the menu and the software. You must bypass the admin lock to perform a reset. Using the Tamper Switch Hack
"It’s just a machine," Sarah muttered, her eyes scanning the device's color screen. She knew that to regain control, she needed to perform a factory reset or at least bypass the admin lock. The Software Gambit
:
When to contact support
If you can access the device settings, this is the most straightforward way to wipe all data and settings. (or OK) button to enter the main interface. Navigate to the (Data Management) icon. Restore to Factory Settings (sometimes listed under Data icon > Restore to Factory Settings Confirm the action by selecting
: Within 30–60 seconds of a short beep sounding after power-up, press the tamper switch three times . zkteco ua300 factory reset
Set the Subnet Mask (usually 255.255.255.0 ) and Default Gateway. 2. Device ID
Select and choose All Data (includes user templates, fingerprints, and attendance logs).
If you cannot enter the menu because of a forgotten admin password, you can use a time-based "Super Password": : Press and hold the M or OK
I can provide the exact password generation steps or network commands for your specific setup.
The screen will prompt a confirmation message. Select to confirm.
: Note the exact time shown on the device's home screen (e.g., 14:20). Generate a Super Password Subtract the current screen time from Square the result ( The resulting number is your Super Password for that specific minute. Enter Service Mode . When prompted for an ID, enter and enter your generated Super Password. Clear Admin : Once in the menu, go to and select Clear Admin Privileges Using the Tamper Switch Hack "It’s just a
However, what happens when the administrator forgets the password? What if the device becomes unresponsive, rejects fingerprints, or displays an "Error: Communication Failure"?
If you are locked out because the former administrator left or forgot the password, a standard factory reset isn't immediately possible. You must first bypass the admin lock using the ZKTeco backdoor tool. Step 1: Get the Device Time
