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Firmware

IPM-721E_V2.420.AC00.15.R.20160908.zip

Amcrest firmware released Sep 8, 2016. May work with 6 devices, including IPC-AW15A-Amcrest-V2, IPC-AW15W-5G, IPC-AW25A-Amcrest-V2.

Released
Sep 8, 2016
Version
V2.420.AC00.15.R
Size
15.7 MB
Hardware
6 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
9ca2f23a21c490b08849bd59540de2ec
SHA-256
0bb9ca6aa524789d3e130aa42cc64ef6f2571a62f078ddf5265cf82675e5e0ee

Where it's published

Compatible hardware

Hardware IDs this firmware's installer accepts (6 devices).

Where these IDs come from
  • check.img in Amcrest_IPC-AWXX-V2_Eng_N_V2.420.AC00.15.R.20160908.bin: the device's own hardware check list, 6 IDs
  • Install in Amcrest_IPC-AWXX-V2_Eng_N_V2.420.AC00.15.R.20160908.bin: the installer's device list (board families), 5 IDs, vendor Amcrest (not counted: a more specific list exists)

Technical details

Read from inside the firmware (zip archive).

SoC
Ambarella: one of S2LM, S2L
Architecture
arm
OEM build
Amcrest
Kernel
Linux 3.10.50
Bootloader
U-Boot 2010.06-svn3411
Flash
32.0 MB
Image dates
Sep 8, 2016 to Nov 17, 2016
Security
Not signed, not encrypted
Language & video
English by default · NTSC
Flash layout: 14 partitions, 9 written by this firmware

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

PartitionStartEndSizeImageFilesystemBuilt
MinBoot0x00x40000256.0 KBdhboot-min.bin.img—2016-09-08
U-Boot0x800000xc0000256.0 KBdhboot.bin.img—2016-09-08
hwid0xc00000xe0000128.0 KBnot written——
partition(ro)0xe00000xf000064.0 KBpartition-x.cramfs.imgcramfs2016-09-08
Kernel0xf00000x3700002.5 MBkernel.img—2016-09-08
romfs(ro)0x3700000x4e00001.4 MBromfs-x.squashfs.imgsquashfs2016-11-17
web(ro)0x4e00000x8f00004.1 MBweb-x.squashfs.imgsquashfs2016-09-08
user(ro)0x8f00000x1ca000019.7 MBuser-x.squashfs.imgsquashfs2016-11-17
updateflag0x1ca00000x1cd0000192.0 KBnot written——
config0x1cd00000x1db0000896.0 KBnot writtenjffs2—
product(ro)0x1db00000x1e30000512.0 KBpd-x.squashfs.imgsquashfs2016-09-08
custom(ro)0x1e300000x1eb0000512.0 KBcustom-x.squashfs.imgsquashfs2016-09-08
backupker(ro)0x1eb00000x1fb00001.0 MBnot writtensquashfs—
backupfs(ro)0x1fb00000x2000000320.0 KBnot writtensquashfs—

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