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Sdk Drivers
LHDVR & QHDVR（Update in 24-Oct-2026） New firmware is under development.
LHDVR0404-5MPM
LHDVR0804-5MPM
LHDVR0404-4K / LHDVR0404-4K-AI
D32XX_V8.2.4.1-20260702
Fix the issue where 4K sector hard disk formatting fails.
Fix the bug of time regression during playback in the DVR mobile APP
D32XX_V8.2.4.1-20260702_uboot_upgrade : If the DVR fails to boot into the system and stays at the boot logo screen after upgrade, please download this Uboot firmware. Extract the file and save it to a USB flash drive. Insert the USB drive into the DVR’s USB port and restart the NVR. Wait approximately 10 minutes; the NVR will be upgraded to firmware version D32XX_V8.2.4.1-20260702
QHDVR1604-5MPM / LHDVR0808-4K-AI
New firmware is under development.
Optimize docking with 4K logical hard disk
D33XX_V8.2.4.1-20260709
Fix the issue where 4K sector hard disk formatting fails.
Fix the bug of time regression during playback in the DVR mobile APP
D33XX_V8.2.4.1-20260709_uboot_upgrade : If the DVR fails to boot into the system and stays at the boot logo screen after upgrade, please download this Uboot firmware. Extract the file and save it to a USB flash drive. Insert the USB drive into the DVR’s USB port and restart the NVR. Wait approximately 10 minutes; the NVR will be upgraded to firmware version D33XX_V8.2.4.1-20260709
LHDVR1616-4K-AI / QHDVR3208-5MPM-AI
New firmware is under development.
Optimize docking with 4K logical hard disk
D33XX2C_V8.2.4.1-20260420
Fix the bug that Siren and Light cannot be enabled for DVR on the web & VMS
Fix the issue where 4K sector hard disk formatting fails.