Change Password =link=: Aei Dk 9830

Technical Report: Password Change Procedure for AEI DK-9830

Document ID: AEI-DK9830-SEC-01
Device Model: AEI DK-9830 (Fingerprint & RFID Attendance Terminal)
Objective: To securely update the administrator or user password on the device.

Scenario 2: You Forgot the Password (Reset Required)

If you have lost the Administrator password, you cannot simply "change" it through the menu. You must reset the device to factory settings to remove the old password.

Warning: This will typically delete all attendance logs and user data on the device. Ensure you have downloaded the data to your PC software (like ZKTime.Net, TimeAtt, or similar) before proceeding.

Method A: Using the Physical Reset Button aei dk 9830 change password

1. Power off the device.
2. Look for a small pinhole reset button on the back or bottom of the unit (or sometimes behind a sticker).
3. Insert a paperclip into the hole and hold the button down.
4. While holding the button, power the device on.
5. Keep holding until the device boots into "Recovery Mode" or asks to "Clear Data."
6. Select "Clear Admin" or "Factory Reset."

Method B: Contacting Support If the device is locked and there is no accessible reset hole, AEI rebranded devices often have a "Super Admin" password that is unique to the serial number. You will need to:

1. Find the Serial Number (S/N) on the back of the device or in the System Info menu.
2. Contact AEI or your specific vendor's technical support with the S/N. They can often generate a temporary unlock code for you.

Introduction: Why Changing the Default Password Matters

The AEI DK 9830 is a popular fingerprint recognition and RFID time attendance terminal used by small to medium-sized businesses, schools, and construction sites. Like many industrial devices, it comes from the factory with a default administrator password.

If you have recently searched for the phrase "aei dk 9830 change password," you likely fall into one of three categories: Technical Report: Password Change Procedure for AEI DK-9830

1. You are a new administrator setting up the device for the first time.
2. You have forgotten the previous administrator password.
3. You are inheriting a used machine and need to wipe the previous owner’s settings.

Leaving the default password (often 1234 or 0000) on any biometric device is a severe security risk. Unauthorized users could export employee fingerprints, delete logs, or alter permission levels. This guide will walk you through every method to change, reset, or recover the password for the DK 9830.

Important Note: The AEI DK 9830 is often rebranded under other names (ZKTeco, UFOVision, etc.). While the menus vary slightly, the core logic remains the same.

Title

AEI DK 9830 — Secure Password Change Design and Analysis Power off the device

Step 2: Change Master Code

Press:
0 0 [new master code] #
Example: 0 0 112233 #

• New master code must be 6 digits (between 000000 and 999999).
• After pressing #, you’ll hear confirmation beeps.

5.3 SSH/CLI Flow

• Use PAM or native auth module; password change performed by exec of secure utility that validates, updates, and logs.

7. Factory Reset (if password lost)

⚠️ Warning: Resets all user data, fingerprints, and logs.

1. Power off the device.
2. Open the back cover and locate the reset dip switch.
3. Toggle switch #3 (or as marked "Reset to Default").
4. Power on while holding the reset switch for 10 seconds.
5. Default password (1234) is restored.

How to Change a User Password (PIN for entry)