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Firmware

General_VTH1550CHW-2_Eng_SIP_V4.300.0000002.0.R.20210720.zip

Dahua and ip-phone-forum.de firmware released Jul 20, 2021. May work with 13 devices, including VTH1510, VTH1510CH, VTH1550CHW-2.

Released
Jul 20, 2021
Version
V4.300.0000002.0.R
Size
11.8 MB
Hardware
13 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
038c061b3a8f9d197f96660da291f2d9
SHA-256
cf82a77836b9aeb77dfe80cae6c185067da08d3ff43d9a8609bd685429a0d179
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_VTH1550CHW-2_Eng_SIP_V4.300.0000002.0.R.20210720.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 20, 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—2021-07-20
kernel0x20600000x22600002.0 MBkernel-x.cramfs.imgcramfs2021-07-20
gui0x22600000x23e00001.5 MBgui-x.cramfs.imgcramfs2021-07-20
rootfs0x23e00000x26e00003.0 MBromfs-x.cramfs.imgcramfs2021-07-20
pd0x26e00000x26f000064.0 KBpd-x.cramfs.imgcramfs2021-07-20
user0x26f00000x2da00006.7 MBuser-x.cramfs.imgsquashfs2021-07-20
data0x2da00000x2ec00001.1 MBdata-x.cramfs.imgcramfs2021-07-20

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