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Firmware

DH_HYSAV849HA-X_MultiLang_NP_Stream3_V1.000.0000005.0.R.250226.zip

Dahua firmware released Mar 7, 2025. May work with 202 devices, including HY-SAV849HA-1W, HY-SAV849HA-E, HY-SAV849HA-G.

Released
Mar 7, 2025
Version
V1.000.0000005.0.R
Size
169.2 MB
Hardware
202 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
6c0eb6430b84886004022e5cc7fe5abc
SHA-256
c58304216201407a9042394a7a3305a65fe441fdfedf2b0914953a83df899d34

Where it's published

Compatible hardware

Hardware IDs this firmware's installer accepts (202 devices).

Where these IDs come from
  • hwid in DH_HYSAV849HA-X_MultiLang_NP_Stream3_V1.000.0000005.0.R.250226.bin: the device's own hardware check list, 202 IDs
  • Install in DH_HYSAV849HA-X_MultiLang_NP_Stream3_V1.000.0000005.0.R.250226.bin: the installer's device list (board families), 1 ID, vendor Dahua (not counted: a more specific list exists)
  • check.img in DH_HYSAV849HA-X_MultiLang_NP_Stream3_V1.000.0000005.0.R.250226.bin: the device's own hardware check list, 202 IDs
  • check.img in firmware.bin: the device's own hardware check list, 202 IDs
  • Install in firmware.bin: the installer's device list (board families), 1 ID, vendor Dahua (not counted: a more specific list exists)
  • Install in web-x.squashfs.bin: the installer's device list (board families), 1 ID, vendor Dahua (not counted: a more specific list exists)
  • check.img in web-x.squashfs.bin: the device's own hardware check list, 202 IDs

Technical details

Read from inside the firmware (bundle of several firmwares). This file bundles 3 firmware images.

DH_HYSAV849HA-X_MultiLang_NP_Stream3_V1.000.0000005.0.R.250226.bin

SoC
HiSilicon Hi3516CV500
Architecture
arm
OEM build
Dahua
Flash
256.0 MB
Image dates
Feb 26, 2025
Security
Signed, security baseline V2.1
Language & video
English by default · 23 languages · NTSC
Supported languages (23)

English, TradChinese, Italian, Spanish, Japanese, Russian, French, German, Portuguese, Turkish, Polish, Romanian, Hungarian, Korean, Czech, Dutch, Ukrainian, Vietnamese, Arabic, SpanishEU, Hebrew, Thai, Indonesian

Flash layout: 19 partitions, 9 written by this firmware

From the firmware's partition table (partitionV2.txt).

PartitionStartEndSizeImageFilesystemBuilt
mini-Boot0x00x1000001.0 MBnot written——
U-Boot0x2000000x3000001.0 MBdhboot.bin.img—2025-02-26
updateflag0x3000000x4000001.0 MBnot written——
hwid0x4000000x480000512.0 KBnot written——
config0x4800000xa800006.0 MBnot writtenubi—
backup0xa800000x10800006.0 MBnot writtenubi—
syslog0x10800000x16800006.0 MBnot writtenubi—
partition(ro)0x16800000x1700000512.0 KBpartition-x-bak.cramfs.imgcramfs2025-02-26
dgs0x17000000x18000001.0 MBnot written——
kernel_min0x18000000x1a000002.0 MBkernel_min.img—2025-02-26
romfs_min(ro)0x1a000000x1e800004.5 MBromfs_min-x.squashfs.imgsquashfs2025-02-26
bakpart(ro)0x1e800000x1f00000512.0 KBnot writtencramfs—
appdata0x1f000000x25000006.0 MBnot writtenubi—
product(ro)0x25000000x28000003.0 MBpd-x.squashfs.imgsquashfs2025-02-26
Kernel0x28000000x2c000004.0 MBkernel.img—2025-02-26
web(ro)0x2c000000x34000008.0 MBweb-x.squashfs.imgsquashfs2025-02-26
romfs(ro)0x34000000x540000032.0 MBromfs-x.squashfs.imgsquashfs2025-02-26
ext0x54000000x800000044.0 MBnot written——
firmware(ro)0x80000000x10000000128.0 MBfirmware-x.squashfs.imgsquashfs2025-02-26

firmware.bin

Architecture
arm
OEM build
Dahua
Image dates
Feb 26, 2025
Security
Signed, encrypted, security baseline V2.1
Language & video
English by default · 23 languages · NTSC
Supported languages (23)

English, TradChinese, Italian, Spanish, Japanese, Russian, French, German, Portuguese, Turkish, Polish, Romanian, Hungarian, Korean, Czech, Dutch, Ukrainian, Vietnamese, Arabic, SpanishEU, Hebrew, Thai, Indonesian

Flash layout: 1 partition, 1 written by this firmware

From the image headers (only partitions this firmware writes).

PartitionStartEndSizeImageFilesystemBuilt
firmware0x80000000x10000000128.0 MBfirmware-x.squashfs.imgsquashfs2025-02-26

web-x.squashfs.bin

Architecture
arm
OEM build
Dahua
Image dates
Feb 26, 2025
Security
Signed, encrypted, security baseline V2.1
Language & video
English by default · 23 languages · NTSC
Supported languages (23)

English, TradChinese, Italian, Spanish, Japanese, Russian, French, German, Portuguese, Turkish, Polish, Romanian, Hungarian, Korean, Czech, Dutch, Ukrainian, Vietnamese, Arabic, SpanishEU, Hebrew, Thai, Indonesian

Flash layout: 1 partition, 1 written by this firmware

From the image headers (only partitions this firmware writes).

PartitionStartEndSizeImageFilesystemBuilt
web0x2c000000x34000008.0 MBweb-x.squashfs.imgsquashfs2025-02-26

About the security baseline: firmware with a higher security baseline can stop a device going back to older firmware. A device already on a higher baseline than V2.1 may refuse this file, and after installing it you may not be able to downgrade to firmware with a lower baseline.

Other files for much of the same hardware, from any vendor.