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Firmware

Amcrest_SD-Prometheus_Eng_NP_Stream3_AMCREST_V2.810.00AC006.0.R.221114.bin

Amcrest firmware released Nov 14, 2022. May work with 39 devices, including CA-HZ2023XA-A, CA-HZ2023XA-B, CA-HZ2025XA-A.

Released
Nov 14, 2022
Version
V2.810.AC004
Size
137.4 MB
Hardware
39 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
90b355094348c73e9e5969a2dda0dee9
SHA-256
8b1da3deb070eceb8ad9311690fbb93ae01d266a81caad5b0f0c5b447b6e4509
Changelog
Release notes

Where it's published

Compatible hardware

Hardware IDs this firmware's installer accepts (39 devices).

Where these IDs come from
  • hwid: the device's own hardware check list, 39 IDs
  • Install: the installer's device list (board families), 1 ID, vendor Amcrest (not counted: a more specific list exists)
  • check.img: the device's own hardware check list, 39 IDs

Technical details

Read from inside the firmware (dahua package (zip variant)).

Architecture
arm
OEM build
Amcrest
Flash
3.5 GB
Image dates
Nov 14, 2022
Security
Signed, encrypted, security baseline V2.1
Language & video
English by default · NTSC
Flash layout: 20 partitions, 7 written by this firmware

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

PartitionStartEndSizeImageFilesystemBuilt
U-Boot0x2000000x3000001.0 MBdhboot.bin.img—2022-11-14
hwid0x3000000x4000001.0 MBnot written——
updateflag0x4000000x5000001.0 MBnot written——
partition(ro)0x5000000x6000001.0 MBpartition-x.cramfs.imgcramfs2022-11-14
lens0x6000000x8000002.0 MBnot written——
Kernel0x8000000x180000016.0 MBkernel.img—2022-11-14
custom(ro)0x18000000x1c000004.0 MBcustom-x.squashfs.imgsquashfs2022-11-14
product(ro)0x1c000000x20000004.0 MBpd-x.squashfs.imgsquashfs2022-11-14
romfs(ro)0x20000000x16000000320.0 MBromfs-x.squashfs.imgsquashfs2022-11-14
web(ro)0x160000000x1800000032.0 MBweb-x.squashfs.imgsquashfs2022-11-14
coredump0x2f9000000x3c100000200.0 MBnot written——
dgs0x3c1000000x3c9000008.0 MBnot written——
model0x3c9000000x53900000368.0 MBnot written——
reserve0x539000000x5590000032.0 MBnot written——
ext0x560000000x5c00000096.0 MBnot written——
devconfig0x5c0000000x5d00000016.0 MBnot written——
syslog0x5d0000000x5e00000016.0 MBnot written——
config0x5e0000000x5f00000016.0 MBnot written——
backup0x5f0000000x6000000016.0 MBnot written——
appdata0x600000000xe00000002.0 GBnot written——

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.