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Firmware

General_VTH5222CH_Eng_SIP_V4.300.0000001.0.R.20210721.zip

Dahua and ip-phone-forum.de firmware released Jul 21, 2021. May work with 13 devices, including VTH1510, VTH1510CH, VTH1550CHW-2.

Released
Jul 21, 2021
Version
V4.300.0000001.0.R
Size
11.7 MB
Hardware
13 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
cab127efa3ee91a6dfa65c16fb1b004d
SHA-256
f0344f701b3c92ac07fda5f4bb1b2c6a74ae33cbb17a9593ae81e9c0c9b970f9
Changelog
Release notes

Where it's published

Compatible hardware

Hardware IDs this firmware's installer accepts (13 devices).

Where these IDs come from
  • Install in General_VTH5222CH_Eng_SIP_V4.300.0000001.0.R.20210721.bin: the installer's device list (board families), 13 IDs, vendor General

Technical details

Read from inside the firmware (zip archive).

Architecture
arm
OEM build
General
Kernel
Linux 2.6.18_pro500-davinci_evm-arm_v5t_le
Bootloader
U-Boot 1.3.6
Image dates
Jul 21, 2021
Security
Signed, not encrypted
Flash layout: 7 partitions, 7 written by this firmware

From the image headers (only partitions this firmware writes).

PartitionStartEndSizeImageFilesystemBuilt
bootloader0x20000000x2040000256.0 KBdm365_ubl_boot_16M.bin.img—2021-07-21
kernel0x20600000x22600002.0 MBkernel-x.cramfs.imgcramfs2021-07-21
gui0x22600000x23e00001.5 MBgui-x.cramfs.imgcramfs2021-07-21
rootfs0x23e00000x26e00003.0 MBromfs-x.cramfs.imgcramfs2021-07-21
pd0x26e00000x26f000064.0 KBpd-x.cramfs.imgcramfs2021-07-21
user0x26f00000x2da00006.7 MBuser-x.cramfs.imgsquashfs2021-07-21
data0x2da00000x2ec00001.1 MBdata-x.cramfs.imgcramfs2021-07-21

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