How to Reset H.264 DVR (Lost Password)
Lost access to your H.264 DVR or NVR? This guide walks you through all working methods to reset the password and recover access to your device.
What is an H.264 DVR?
H.264 DVRs are widely used digital video recorders using the H.264 compression format. Many of them are unbranded or rebranded and manufactured by companies in China. These recorders are often marketed under various brand names but share similar firmware and interfaces.
Methods to Reset H.264 DVR Password
1. Try Default Passwords
Some DVRs never had their default password changed. Here’s a list of common defaults:
| DVR Brand | Username | Password |
|---|---|---|
| AVTECH | admin | admin |
| Dahua | admin | admin |
| Everfocus | admin | 11111111 |
| Stillus | admin | 666666 |
| Posonic | admin | 888888 |
| Yoko | admin | 11111111 |
If your brand isn’t listed, try leaving the password field blank or try “12345”, “123456”, or “000000”.
2. Use H.264 DVR Master Password Generator
Many H.264 DVRs support password recovery using the system date. Use tools like:
- HiSilicon DVR Password Generator – for chipsets like Hi3511, Hi3515, Hi3520, etc.
- Dahua Password Generator – works with Dahua and OEM brands (e.g., Lorex, Amcrest, CP-Plus).
- Excel DVR Password Generator – spreadsheet-based super password calculator.
Check the DVR’s on-screen date and use it to generate a master password.
Example date input: 20250601 → Generates a unique password valid for that date only.
3. Remove Internal Battery
Some DVRs store the password in volatile memory. By removing the internal battery (CR2032) and waiting 10–15 minutes, the system clock resets to factory defaults.
After restarting, try logging in with default credentials again.
4. Use the Reset Jumper on the Motherboard
Locate the reset pins inside the DVR (commonly labeled JP1, J1, RESET).
Use a metal tweezer or jumper to bridge the pins for 3-5 seconds while powering on the DVR. The system may reboot and remove the old password.
Warning: Opening your DVR may void the warranty. Proceed at your own risk.
5. Contact Manufacturer or Reseller
If none of the above worked, reach out to the manufacturer or reseller. Provide the model number, serial number, and a copy of your purchase receipt or ID.
Brands like Dahua, Hikvision, and Lorex usually offer official support channels.
Conclusion
Resetting the password on an H.264 DVR can often be done with default credentials or using master password generators. If that doesn’t work, try removing the battery or using reset jumpers. As a last resort, contact the manufacturer.
If you’re stuck, feel free to leave a comment below and we’ll help you out!
Your analysis is thorough and on point. Learned a lot from this post.