Skip to content

Firmware

Amcrest_IPC-HX2XXX-Sag_Eng_N_AMCREST_V2.800.00AC000.0.R.191029.bin

Amcrest firmware released Oct 29, 2019. May work with 7 devices, including IPC-HDBW1831R, IPC-HDBW1831R-S, IPC-HDBW2831R-ZAS-3711.

Released
Oct 29, 2019
Version
V2.800.00AC000.0.R
Size
33.2 MB
Hardware
7 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
9798edbb6800882b4480f40eb2c1a213
SHA-256
4cbcbaae8b6adf4bb1f0c82ae81ae41edf17f02d4d5b63341c0020606c45e94f
Changelog
Release notes

Where it's published

Compatible hardware

Hardware IDs this firmware's installer accepts (7 devices).

Where these IDs come from
  • hwid: the device's own hardware check list, 7 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, 7 IDs

Technical details

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

Architecture
arm
OEM build
Amcrest
Bootloader
U-Boot 2010.06-svn6778
Flash
127.0 MB
Image dates
Oct 29, 2019
Security
Signed
Language & video
English by default · NTSC
Flash layout: 25 partitions, 11 written by this firmware

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

PartitionStartEndSizeImageFilesystemBuilt
mini-Boot0x00x1000001.0 MBdhboot-min.bin.img—2019-10-29
U-Boot0x2000000x3000001.0 MBdhboot.bin.img—2019-10-29
hwid0x3000000x4000001.0 MBnot written——
updateflag0x4000000x5000001.0 MBnot written——
partition(ro)0x5000000x6000001.0 MBpartition-x.cramfs.imgcramfs2019-10-29
custom(ro)0x6000000x7000001.0 MBcustom-x.squashfs.imgsquashfs2019-10-29
product(ro)0x7000000x8000001.0 MBpd-x.squashfs.imgsquashfs2019-10-29
Kernel0x8000000xa800002.5 MBkernel.img—2019-10-29
romfs(ro)0xa800000xc000001.5 MBromfs-x.squashfs.imgsquashfs2019-10-29
web(ro)0xc000000x14000008.0 MBweb-x.squashfs.imgsquashfs2019-10-29
user(ro)0x14000000x210000013.0 MBuser-x.squashfs.imgsquashfs2019-10-29
Kernelslv(ro)0x21000000x23800002.5 MBkernelslv.img—2019-10-29
romfsslv(ro)0x23800000x3c0000024.5 MBromfsslv-x.squashfs.imgsquashfs2019-10-29
backpart0x3c000000x3d000001.0 MBnot written——
backcustom0x3d000000x3e000001.0 MBnot written——
backproduct0x3e000000x3f000001.0 MBnot written——
backkernel0x3f000000x41800002.5 MBnot written——
backromfs0x41800000x43000001.5 MBnot written——
backweb0x43000000x4b000008.0 MBnot written——
backuser0x4b000000x580000013.0 MBnot written——
backKernelslv0x58000000x5a800002.5 MBnot written——
backromfsslv0x5a800000x730000024.5 MBnot written——
syslog0x73000000x77000004.0 MBnot writtenubi—
config0x77000000x7b000004.0 MBnot writtenubi—
backup0x7b000000x7f000004.0 MBnot writtenubi—

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