Many of these devices use a common platform. You can find firmware tables on the Shenzhen Eset Electronics Support Page or through Enster's XMeye Download Center . Brand-Specific Portals:
A: In many cases, downgrading is not supported and can brick the device. Check the release notes for your newer version to see if a downgrade path is officially provided. When in doubt, do not downgrade.
Secure your specific firmware file from an authorized hardware provider, such as the official Hangzhou Xiongmai Technology Portal or your retail support team. Decompress the downloaded .zip archive on your computer. V4.03.r11 H.264 H.265 Dvr Nvr Firmware Download
Once your system reboots automatically, perform these quick steps to verify optimization:
H.265 (High-Efficiency Video Coding) allows for higher quality video at lower bitrates, significantly reducing storage usage and bandwidth consumption compared to H.264. Many of these devices use a common platform
Insert your prepared USB drive into an open rear USB slot on your NVR or DVR.
| | 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 | Check the release notes for your newer version
This comprehensive guide details everything you need to know about checking your equipment compatibility, locating the exact firmware file, and safely upgrading your machine. 1. What is V4.03.r11 Firmware?