V4.03.r11 H.264 H.265 Dvr Nvr Firmware Download Extra Quality Jun 2026
However, if your system is stable and you don’t need H.265 or new features, the old mantra applies: “If it ain’t broke, don’t fix it.” Always ensure you have a backup of your current firmware before proceeding.
Because V4.03.r11 appears on equipment from multiple OEMs (commonly Xiongmai, rebranded by many sellers), direct official links vary by brand. Use the following strategies to locate your specific file:
Example System String: V4.03.R11.00031095.12001 ▲▲▲▲▲▲▲▲ Your Version ID Steps to Find Your Version String V4.03.r11 H.264 H.265 Dvr Nvr Firmware Download
| | Firmware Build File | Latest Build Date | | :--- | :--- | :--- | | NBD80S09S-KLC | YK_HZXM_NBD80S09S-KLC_V4.03.R11.7601.Nat.OnvifC.20230705.bin | 2023-07-05 | | NBD8032H-UL | C638020Z_V4.03.R11.7601.Nat.OnvifC.20220520.bin | 2022-05-20 | | NBD80X16S-KL | YK_HZXM_NBD80X16S-KL_V4.03.R11.Nat.dss.OnvifC.20220217.bin | 2022-02-17 | | IPC (Camera) | General_DV_Security_IPC_HI3516C_53H20AF_V4.03.R11.Nat.OnvifS.20190416_ALL.bin | 2019-04-16 | | AHB80N04R-GS-V3 | C638024T_AHB80N04R-GS-V3_V4.03.R11.7601.Nat.OnvifC.20250911.bin | 2025-09-11 |
Confirm the upgrade when prompted. The process will begin, writing new firmware to the flash memory. However, if your system is stable and you don’t need H
Look for a long string of numbers separated by dots (e.g., 00000118.120120.0000.0000 ).
If you can’t find the exact file, post a photo of your DVR’s (with serial, product ID, and current firmware) to a forum like IPCamTalk or Reddit r/cctv—people there often recognize OEM clones and point you to the right firmware. The process will begin, writing new firmware to
If your system is still running older versions of the V4.03.r11 firmware, your surveillance network might be at risk. Multiple CVEs (Common Vulnerabilities and Exposures) have been identified over the past few years.
D. TFTP or serial recovery (advanced / emergency)
Ultimate Guide to V4.03.r11 H.264/H.265 DVR & NVR Firmware Downloads
This release focuses heavily on system stability, cloud connectivity, and bug fixes for the web interface.