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Firmware

General_IPC-HX5XXX-Volt_MultiLang_PN_Stream3_V2.840.0000000.18.R.220629.bin

CCTV App firmware released Jun 29, 2022. May work with 253 devices, including IPC-HCBW8442P, IPC-HDB5243E-ZYH-27135, IPC-HDBW4243R-AS.

Released
Jun 29, 2022
Version
V2.840.0000000.18.R
Size
84.5 MB
Hardware
253 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
d9c4e51ad0da1cd7992076d1b0c5f3fb
SHA-256
5715a5837542ae0a632509eec3a4545d34dacd948327ceed94c44d5f9e0d3cd2

Where it's published

Compatible hardware

Hardware IDs this firmware's installer accepts (253 devices).

Where these IDs come from
  • hwid: the device's own hardware check list, 253 IDs
  • Install: the installer's device list (board families), 1 ID, vendor General (not counted: a more specific list exists)
  • check.img: the device's own hardware check list, 253 IDs

Technical details

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

SoC
HiSilicon Hi3516CV500
Architecture
arm
OEM build
General
Flash
128.0 MB
Image dates
Jun 29, 2022
Security
Signed, encrypted, security baseline V2.1
Language & video
English by default · 23 languages · PAL
Supported languages (23)

English, TradChinese, Italian, Spanish, Japanese, Russian, French, German, Portuguese, Turkish, Polish, Romanian, Hungarian, Korean, Czech, Dutch, Ukrainian, Vietnamese, Arabic, SpanishEU, Hebrew, Thai, Indonesian

Flash layout: 16 partitions, 8 written by this firmware

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

PartitionStartEndSizeImageFilesystemBuilt
mini-Boot0x00x1000001.0 MBnot written——
U-Boot0x2000000x3000001.0 MBdhboot.bin.img—2022-06-29
updateflag0x3000000x4000001.0 MBnot written——
hwid0x4000000x480000512.0 KBnot written——
config0x4800000xa800006.0 MBnot writtenubi—
backup0xa800000x10800006.0 MBnot writtenubi—
syslog0x10800000x16800006.0 MBnot writtenubi—
partition(ro)0x16800000x1700000512.0 KBpartition-x.cramfs.imgcramfs2022-06-29
dgs0x17000000x18000001.0 MBnot written——
kernel_min0x18000000x1a000002.0 MBkernel_min.img—2022-06-29
romfs_min(ro)0x1a000000x1e800004.5 MBromfs_min-x.squashfs.imgsquashfs2022-06-29
bakpart(ro)0x1e800000x1f00000512.0 KBpartition-x-bak.cramfs.imgcramfs2022-06-29
appdata0x1f000000x25000006.0 MBnot writtenubi—
Kernel0x25000000x29000004.0 MBkernel.img—2022-06-29
romfs(ro)0x29000000x520000041.0 MBromfs-x.squashfs.imgsquashfs2022-06-29
firmware(ro)0x52000000x800000046.0 MBfirmware-x.squashfs.imgsquashfs2022-06-29

About the security baseline: firmware with a higher security baseline can stop a device going back to older firmware. A device already on a higher baseline than V2.1 may refuse this file, and after installing it you may not be able to downgrade to firmware with a lower baseline.

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