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Firmware

General_TPC-SD-Gram_PART_V2.830.0000000.5.R.250725.zip

Dahua firmware released Aug 27, 2025. May work with 40 devices, including CA-HZ2052QA-A, CA-HZ2062QA-A, CA-HZ4045QA-A.

Released
Aug 27, 2025
Version
V2.830.0000000.5.R
Size
230.9 MB
Hardware
40 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
b46d2b60fd670706fc269d0d1ebe891b
SHA-256
4dafecb7c191ae45ee4a1944455a40ee2d1b91780b60ce9bc95df9be5def87ba
Changelog
Release notes

Where it's published

Compatible hardware

Hardware IDs this firmware's installer accepts (40 devices).

Where these IDs come from
  • hwid in General_TPC-SD-Gram_PART_V2.830.0000000.5.R.250725.bin: the device's own hardware check list, 40 IDs
  • Install in General_TPC-SD-Gram_PART_V2.830.0000000.5.R.250725.bin: the installer's device list (board families), 4 IDs, vendor General (not counted: a more specific list exists)
  • check.img in General_TPC-SD-Gram_PART_V2.830.0000000.5.R.250725.bin: the device's own hardware check list, 40 IDs

Technical details

Read from inside the firmware (zip archive).

Architecture
arm
OEM build
General
Bootloader
U-Boot 2016.11-svn15600
Flash
17179869190.6 GB
Image dates
Jul 25, 2025
Security
Signed
Flash layout: 27 partitions, 9 written by this firmware

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

PartitionStartEndSizeImageFilesystemBuilt
mini-Boot0x00x1000001.0 MBdhboot-min.bin.img—2025-07-25
U-Boot0x2000000x3000001.0 MBdhboot.bin.img—2025-07-25
hwid0x3000000x4000001.0 MBnot written——
updateflag0x4000000x5000001.0 MBnot written——
partition(ro)0x5000000x6000001.0 MBpartition-x.cramfs.imgcramfs2025-07-25
lens0x6000000xa000004.0 MBnot written——
dgs0xa000000xe000004.0 MBnot written——
config0xe000000x1e0000016.0 MBnot written——
backup0x1e000000x2e0000016.0 MBnot written——
syslog0x2e000000x3e0000016.0 MBnot written——
devconfig0x3e000000x4e0000016.0 MBnot written——
custom(ro)0x4e000000x52000004.0 MBcustom-x.squashfs.imgsquashfs2025-07-25
product(ro)0x52000000x56000004.0 MBpd-x.squashfs.imgsquashfs2025-07-25
Kernel0x56000000x660000016.0 MBkernel.img—2025-07-25
web(ro)0x66000000x860000032.0 MBweb-x.squashfs.imgsquashfs2025-07-25
romfs(ro)0x86000000x18600000256.0 MBromfs-x.squashfs.imgsquashfs2025-07-25
backpart0x186000000x187000001.0 MBnot written——
bakcustom0x187000000x18b000004.0 MBnot written——
backproduct0x18b000000x18f000004.0 MBnot written——
backkernel0x18f000000x19f0000016.0 MBnot written——
backweb0x19f000000x1bf0000032.0 MBnot written——
backromfs0x1bf000000x2bf00000256.0 MBnot written——
res0x2bf000000x57400000693.0 MBnot written——
firmware(ro)0x574000000xb74000001.5 GBfirmware-x.ext4.imgext42025-07-25
sfmw0xb74000000x1274000001.8 GBnot writtenext4—
appdata0x1274000000x1a74000002.0 GBnot written——
coredump0x1a74000000x100000001a73fffff17179869184.0 GBnot written——

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