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Firmware

Amcrest_SD-Mao-Themis_Eng_N_Stream3_P2P_AMCREST_V2.400.AC01.0.R.20160804.bin

Amcrest firmware released Aug 4, 2016. May work with 8 devices, including CA-HZ1020TA, CA-HZ2012T, CA-HZ2020TA.

Released
Aug 4, 2016
Version
V2.400.AC01.0.R
Size
21.3 MB
Hardware
8 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
095f14870fd62d2bd9a417dfc71bdb02
SHA-256
6f97f1440453e3ca1917e33b505576f47446d50344a47cc9c16c4317f71b8529
Changelog
Release notes

Where it's published

Compatible hardware

Hardware IDs this firmware's installer accepts (8 devices).

Where these IDs come from
  • Install: the installer's device list (board families), 5 IDs, vendor Amcrest (not counted: a more specific list exists)
  • check.img: the device's own hardware check list, 8 IDs

Technical details

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

SoC
Ambarella: one of S2LM, S2L
Architecture
arm
OEM build
Amcrest
Kernel
Linux 3.10.50
Bootloader
U-Boot 2010.06-svn3006
Flash
126.0 MB NAND
Image dates
Aug 4, 2016 to Mar 7, 2017
Security
Not signed, not encrypted
Language & video
English by default · NTSC
Flash layout: 15 partitions, 9 written by this firmware

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

PartitionStartEndSizeImageFilesystemBuilt
MinBoot0x00x1000001.0 MBdhboot-min.bin.img—2016-08-04
U-Boot0x2000000x3000001.0 MBdhboot.bin.img—2016-08-04
hwid0x3000000x4000001.0 MBnot written——
updateflag0x4000000x5000001.0 MBnot written——
partition(ro)0x5000000x6000001.0 MBpartition-x.cramfs.imgcramfs2016-08-04
custom(ro)0x6000000x9400003.3 MBcustom-x.squashfs.imgsquashfs2016-08-04
product(ro)0x9400000xc800003.3 MBpd-x.squashfs.imgsquashfs2016-08-04
Kernel0xc800000x12000005.5 MBkernel.img—2016-08-04
romfs(ro)0x12000000x16000004.0 MBromfs-x.squashfs.imgsquashfs2017-03-07
web(ro)0x16000000x1e000008.0 MBweb-x.squashfs.imgsquashfs2016-08-04
user(ro)0x1e000000x3a8000028.5 MBuser-x.squashfs.imgsquashfs2017-03-07
lens0x71000000x72000001.0 MBnot written——
syslog0x72000000x76000004.0 MBnot writtenubi—
config0x76000000x7a000004.0 MBnot writtenubi—
backup0x7a000000x7e000004.0 MBnot writtenubi—

Also published as

Byte-for-byte identical files under other names:

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