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Firmware

DH_HYSAV849HA-SA_Chn_MCU_V1.000.0000001.0.R.220422.zip

Eltrox firmware released Apr 22, 2022. May work with 201 devices, including HY-SAV849HA-E, HY-SAV849HA-G, HY-SAV849HA-W.

Released
Apr 22, 2022
Version
V1.000.0000001.0.R
Size
121.4 MB
Hardware
201 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
6eab94dd17cb3d246a207696c0f8ca40
SHA-256
4253bb53e28b9c4dcbb204a4ad9c4855c8fd6d0f0f53d0b2e67011c7ef8d8c1b

Where it's published

Compatible hardware

Hardware IDs this firmware's installer accepts (201 devices).

Where these IDs come from
  • hwid in DH_HYSAV8XX-E_MultiLang_PN_Stream3_V1.000.0000000.0.R.220112.bin: the device's own hardware check list, 201 IDs
  • Install in DH_HYSAV8XX-E_MultiLang_PN_Stream3_V1.000.0000000.0.R.220112.bin: the installer's device list (board families), 1 ID, vendor Dahua (not counted: a more specific list exists)
  • check.img in DH_HYSAV8XX-E_MultiLang_PN_Stream3_V1.000.0000000.0.R.220112.bin: the device's own hardware check list, 201 IDs

Technical details

Read from inside the firmware (zip archive).

SoC
HiSilicon Hi3516CV500
Architecture
arm
OEM build
Dahua
Flash
256.0 MB
Image dates
Jan 12, 2022
Security
Signed, encrypted, security baseline V2.1
Language & video
English by default · 23 languages · PAL
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—2022-01-12
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.imgcramfs2022-01-12
dgs0x17000000x18000001.0 MBnot written——
kernel_min0x18000000x1a000002.0 MBkernel_min.img—2022-01-12
romfs_min(ro)0x1a000000x1e800004.5 MBromfs_min-x.squashfs.imgsquashfs2022-01-12
bakpart(ro)0x1e800000x1f00000512.0 KBnot writtencramfs—
appdata0x1f000000x25000006.0 MBnot writtenubi—
product(ro)0x25000000x28000003.0 MBpd-x.squashfs.imgsquashfs2022-01-12
Kernel0x28000000x2c000004.0 MBkernel.img—2022-01-12
web(ro)0x2c000000x34000008.0 MBweb-x.squashfs.imgsquashfs2022-01-12
romfs(ro)0x34000000x540000032.0 MBromfs-x.squashfs.imgsquashfs2022-01-12
ext0x54000000x800000044.0 MBnot written——
firmware(ro)0x80000000x10000000128.0 MBfirmware-x.squashfs.imgsquashfs2022-01-12

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.