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Firmware

Amcrest_IPC-HX2(1)XXX-Sag_Eng_N_AMCREST_V2.800.00AC000.0.R.200330.bin

Amcrest firmware released Mar 30, 2020. May work with 7 devices, including IPC-HDBW1831R, IPC-HDBW1831R-S, IPC-HDBW2831R-ZAS-3711.

Released
Mar 30, 2020
Version
V2.800.00AC000.0.R
Size
33.8 MB
Hardware
7 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
d58fcc847e5d310618ddbefa68c39a61
SHA-256
933e58f752a518f5a99cb4f76366e6f4e9dc93e51f3fb7d4cd4f771d16df5273
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
Mar 30, 2020
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—2020-03-30
U-Boot0x2000000x3000001.0 MBdhboot.bin.img—2020-03-30
hwid0x3000000x4000001.0 MBnot written——
updateflag0x4000000x5000001.0 MBnot written——
partition(ro)0x5000000x6000001.0 MBpartition-x.cramfs.imgcramfs2020-03-30
custom(ro)0x6000000x7000001.0 MBcustom-x.squashfs.imgsquashfs2020-03-30
product(ro)0x7000000x8000001.0 MBpd-x.squashfs.imgsquashfs2020-03-30
Kernel0x8000000xa800002.5 MBkernel.img—2020-03-30
romfs(ro)0xa800000xc000001.5 MBromfs-x.squashfs.imgsquashfs2020-03-30
web(ro)0xc000000x14000008.0 MBweb-x.squashfs.imgsquashfs2020-03-30
user(ro)0x14000000x210000013.0 MBuser-x.squashfs.imgsquashfs2020-03-30
Kernelslv(ro)0x21000000x23800002.5 MBkernelslv.img—2020-03-30
romfsslv(ro)0x23800000x3c0000024.5 MBromfsslv-x.squashfs.imgsquashfs2020-03-30
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.