Download the official firmware file from the Hikvision Download Center or your specific manufacturer's portal.
Firmware revision 1.2 for the DS-80249-P module introduces performance improvements, bug fixes, and expanded compatibility with host system protocols. This release is recommended for all units in field deployment as well as new production builds.
The firmware version "1.2" indicates that it is a revised version of the original firmware, with improvements and bug fixes. The "-P" suffix might denote a specific model or variant of the device.
The new firmware changed the USB descriptor or baud rate defaults. Solution: Manually uninstall the old driver from Device Manager → scan for hardware changes → reinstall the latest driver (often bundled with the firmware package).
Ds-80249 -p Rev 1.2 Firmware [2021] Link
Download the official firmware file from the Hikvision Download Center or your specific manufacturer's portal.
Firmware revision 1.2 for the DS-80249-P module introduces performance improvements, bug fixes, and expanded compatibility with host system protocols. This release is recommended for all units in field deployment as well as new production builds. ds-80249 -p rev 1.2 firmware
The firmware version "1.2" indicates that it is a revised version of the original firmware, with improvements and bug fixes. The "-P" suffix might denote a specific model or variant of the device. Download the official firmware file from the Hikvision
The new firmware changed the USB descriptor or baud rate defaults. Solution: Manually uninstall the old driver from Device Manager → scan for hardware changes → reinstall the latest driver (often bundled with the firmware package). ds-80249 -p rev 1.2 firmware