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Firmware

Amcrest_IPC-HX4XXX-Volt_Eng_NP_Stream3_AMCREST_V2.800.00AC000.0.R.210819.bin

Amcrest firmware released Sep 19, 2021. May work with 30 devices, including IPC-HDBW5241EP-AS-V2, IPC-HDBW5241EP-S-V2, IPC-HDBW5241RP-ASE-MF.

Released
Sep 19, 2021
Version
V2.800.AC000.0
Size
58.4 MB
Hardware
30 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
fa1321f0677688ed5f407970baccc343
SHA-256
f22c0f10b89edd70a0d86ab09a829dfeac0b061bea3263ef0bfc9a9cd2f8f9a0
Changelog
Release notes

Where it's published

Compatible hardware

Hardware IDs this firmware's installer accepts (30 devices).

Where these IDs come from
  • hwid: the device's own hardware check list, 30 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, 30 IDs

Technical details

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

SoC
HiSilicon Hi3516CV500
Architecture
arm
OEM build
Amcrest
Flash
128.0 MB
Image dates
Aug 19, 2021
Security
Signed, encrypted, security baseline V2.0
Language & video
English by default · NTSC
Flash layout: 18 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—2021-08-19
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.imgcramfs2021-08-19
dgs0x17000000x18000001.0 MBnot written——
kernel_min0x18000000x1a000002.0 MBkernel_min.img—2021-08-19
romfs_min(ro)0x1a000000x1e800004.5 MBromfs_min-x.squashfs.imgsquashfs2021-08-19
bakpart(ro)0x1e800000x1f00000512.0 KBnot writtencramfs—
appdata0x1f000000x25000006.0 MBnot writtenubi—
product(ro)0x25000000x28000003.0 MBpd-x.squashfs.imgsquashfs2021-08-19
Kernel0x28000000x2c000004.0 MBkernel.img—2021-08-19
web(ro)0x2c000000x34000008.0 MBweb-x.squashfs.imgsquashfs2021-08-19
romfs(ro)0x34000000x520000030.0 MBromfs-x.squashfs.imgsquashfs2021-08-19
firmware(ro)0x52000000x800000046.0 MBfirmware-x.squashfs.imgsquashfs2021-08-19

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 V2.0 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.