: After the DVR reboots, go back into the system information or device information section to verify that the firmware has been updated to the expected version.
The V403R11 firmware version is a critical system update found across a wide range of embedded digital video recorders (DVRs) and network video recorders (NVRs). This specific firmware core is utilized by numerous original equipment manufacturers (OEMs) and white-label security brands, including Hikvision, Dahua, XM (Xiongmai), TVT, and their various subsidiaries.
Changes in global cloud server infrastructures (P2P networks) mean older firmware versions frequently disconnect from remote monitoring apps like XMEye, iVMS, or DMSS. The updated firmware refreshes these P2P handshake protocols.
Keeping your CCTV system up-to-date is crucial for optimal security and performance. If you are operating a surveillance system powered by a Xiong Mai (XM) or Hisilicon processor, you may have noticed the system version starts with designations like V4.02.R11 or V4.03.R11 .
For most users, the USB method is the most reliable way to apply the V4.03.R11 update:
Select , browse to select your .bin file, and click Start . Method B: Remote Network Upgrade via Device Manager
Connect your video recorder to an Uninterruptible Power Supply (UPS) before starting to protect against power flickers.
If the device gets stuck constantly looping on the initial loading screen after a flash, the hardware components did not align perfectly with the software variant. To recover a soft-bricked system:
(Xiongmai) hardware or similar HiSilicon-based SoC boards. This firmware version is part of the V4.0 series, typically designed to improve H.264/H.265 compression efficiency and fix system stability issues. Critical Pre-Update Requirements Before attempting an update, you must verify the System Version ID
during an update. Connect your system to an Uninterruptible Power Supply (UPS) to prevent bricking. Incorrect Hardware ID High ⚠️
Insert a USB flash drive into your computer and format it to the FAT32 file system. NTFS or exFAT formats will not be recognized by the DVR.