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Firmware

DH_DVR21XX_Eng_N_V3.200.0001.2.R.20140422.zip

BITS firmware released Apr 22, 2014. May work with 2 devices.

Released
Apr 22, 2014
Version
V3.200.0001.2.R
Size
13.2 MB
Hardware
2 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
ac7111ba6563533da23eeb5a0972f7fe
SHA-256
457c4405b2e3de3a88b1cdd2183f8be23a9b83efa21125793b5a7787811ed175

Where it's published

Compatible hardware

Hardware IDs this firmware's installer accepts (2 devices). Names with placeholders such as x or XXX are board families.

Where these IDs come from
  • Install.lua in DH_DVR21XX_Eng_N_V3.200.0001.2.R.20140422.bin: the installer script's board checks, 2 IDs

Technical details

Read from inside the firmware (zip archive).

SoC
HiSilicon: one of Hi3520D, Hi3515A
Architecture
arm
Bootloader
U-Boot 2010.06-svn1181
Flash
16.0 MB
Image dates
Apr 22, 2014
Security
Not signed, not encrypted
Flash layout: 7 partitions, 5 written by this firmware

From the recorder's Install.lua partition table.

PartitionStartEndSizeImageFilesystemBuilt
boot0xa00000000xa0040000256.0 KBu-boot.bin.img—2014-04-22
rootfs0xa00600000xa0ce000012.5 MBromfs-x.cramfs.imgsquashfs2014-04-22
web0xa0ce00000xa0e600001.5 MBweb-x.cramfs.imgsquashfs2014-04-22
custom0xa0e600000xa0e80000128.0 KBcustom-x.cramfs.imgcramfs2014-04-22
logo0xa0e800000xa0ec0000256.0 KBlogo-x.cramfs.imgcramfs2014-04-22
config0xa0ec00000xa0f40000512.0 KBnot written——
config10xa0f400000xa1000000768.0 KBnot written——

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