Firmware

General_SD49XXXS-HN_ManuFactMainAPP_Sony_PTZ_V3.02.20.R.170116.bin

Dahua firmware built Jan 16, 2017. Microcontroller firmware.

Built: Jan 16, 2017
Version: V3.02.20
Size: 45.0 KB
Hardware: Microcontroller firmware

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5: 3d4df9efe5861e8db1b4624ee77c7b15
SHA-256: 542330c9886a6c6a9c914f1ae9b811905d13cd1f63adf3b20ddb40dc581a0cff

Where it's published

Mirrored by
Dahua
files.dahua.support
Mirror
Sold as
- DH-SD49212T-HN-S2
- DH-SD49225T-HN-S2
- Folder: Kamery -IP- obrotowe- PTZ/Non-AI/Starsze/Starsze/SD4xxx/DH-SD49212T-HN-S2
- Folder: Kamery -IP- obrotowe- PTZ/Non-AI/Starsze/Starsze/SD4xxx/DH-SD49225T-HN-S2
Mirror link (files.dahua.support)
Previously at 1 other address
- https://files.dahua.support/Firmware/Kamery%20-IP-%20obrotowe-%20PTZ/Non-AI/Starsze/Starsze/SD4xxx/DH-SD49225T-HN-S2/General_SD49XXXS-HN_ManuFactMainAPP_Sony_PTZ_V3.02.20.R.170116.bin (last seen Oct 22, 2026)

Compatible hardware

This is microcontroller firmware in Dahua's MCU upgrade format: it updates a small chip inside a device, such as a PTZ motor controller, door station or access controller, not the device's main system. It has no operating system and no list of supported hardware.