Firmware
DH_VTHX6XXX-SX_MultiLang_SIP_Asia_V4.810.0000000.3.R.260410.zip
Dahua firmware released Apr 10, 2026. May work with 8 devices, including VTH262X, VTH5421H, VTH5422H.
- Released
- Apr 10, 2026
- Version
- V4.810.0000000.3.R
- Size
- 25.5 MB
- Hardware
- 8 devices
Download
Permanent copy on the Internet Archive (item page)
- MD5
651ebf27123264dc468e71878ab3af7d- SHA-256
eed462f1ec3407a8984ff1b963a5c36121beba107e23bf8e2b5874baa52e532e
Where it's published
Available from
Dahua
Dahua download center (earlier builds)
CurrentSold as
- VTH2621GB-WP/VTH2621GW-WPVTH2621GB-WP/VTH2621GW-WP
- VTH2621G(W)-WP
- VTH5422HW(B)-W
- VTH2621G(W)-P
- VTH5422HB/VTH5422HW
- VTH5421HB/VTH5421HW
- VTH5422HB-W/VTH5422HW-W
- VTH5421HB-W/VTH5421HW-W
- VTH5421HW(B)-W
- VTH5422HW(B)
- VTH8642KMS-W
- VTH8622KMS-W
- VTH8641KMS-WP
- VTH2622GB-W/VTH2622GW-W
- VTH2621GB-P/VTH2621GW-P
- VTH2622GW-W
- VTH2622G(W)-W
- VTH8621KMS-WP
- An earlier build still on Dahua's download server after the download center replaced it
V4.810.0000000.3.R · Listed date Apr 10, 2026
Vendor link (materialfile.dahuasecurity.com)
Previously at 1 other address
Compatible hardware
Hardware IDs this firmware's installer accepts (8 devices).
Where these IDs come from
- hwid in DH_VTHX6XXX-SX_MultiLang_SIP_Asia_V4.810.0000000.3.R.260410.bin: the device's own hardware check list, 8 IDs
- Install in DH_VTHX6XXX-SX_MultiLang_SIP_Asia_V4.810.0000000.3.R.260410.bin: the installer's device list (board families), 7 IDs, vendor Dahua (not counted: a more specific list exists)
- check.img in DH_VTHX6XXX-SX_MultiLang_SIP_Asia_V4.810.0000000.3.R.260410.bin: the device's own hardware check list, 8 IDs
Technical details
Read from inside the firmware (zip archive).
- SoC
- SigmaStar
- Architecture
- arm
- OEM build
- Dahua
- Image dates
- Apr 10, 2026
- Security
- Signed
- Language & video
- English by default · 7 languages · PAL
Supported languages (7)
English, TradChinese, TradChinese2, Vietnamese, Japanese, Korean, Thai
Flash layout: 12 partitions, 12 written by this firmware
From the image headers (only partitions this firmware writes).
| Partition | Start | End | Size | Image | Filesystem | Built |
|---|---|---|---|---|---|---|
| mini-boot | 0x0 | 0x140000 | 1.3 MB | dhboot-min.bin.img | — | 2026-04-10 |
| CmdScript | 0x0 | 0x1000 | 4.0 KB | CmdScript.img | — | 2026-04-10 |
| ipl | 0x140000 | 0x200000 | 768.0 KB | IPL.bin.img | — | 2026-04-10 |
| ipl_cust | 0x200000 | 0x2c0000 | 768.0 KB | IPL_CUST.bin.img | — | 2026-04-10 |
| U-Boot | 0x2c0000 | 0x400000 | 1.3 MB | dhboot.bin.img | — | 2026-04-10 |
| dtb | 0x680000 | 0x700000 | 512.0 KB | dhdtb.bin.img | cramfs | 2026-04-10 |
| data | 0x1900000 | 0x2280000 | 9.5 MB | data-x.squashfs.img | squashfs | 2026-04-10 |
| pd | 0x2280000 | 0x2480000 | 2.0 MB | pd-x.squashfs.img | squashfs | 2026-04-10 |
| kernel | 0x2480000 | 0x2a80000 | 6.0 MB | kernel.img | — | 2026-04-10 |
| rootfs | 0x2a80000 | 0x4380000 | 25.0 MB | romfs-x.squashfs.img | squashfs | 2026-04-10 |
| logo | 0x4380000 | 0x4480000 | 1.0 MB | logo.bin.img | — | 2026-04-10 |
| web | 0x4480000 | 0x4c80000 | 8.0 MB | web-x.squashfs.img | squashfs | 2026-04-10 |
Related firmware
Other files for much of the same hardware, from any vendor.
- DH_VTHX6XXX-SX_MultiLang_SIP_Asia_V4.810.0000000.5.R.260803.zip
Released Aug 15, 2026 · V4.810.0000000.5.R · 9 devices · Dahua
- DH_VTHX6XXX-SX_MultiLang_SIP_CEE-Nordic_V4.810.0000000.5.R.260803.zip
Released Aug 15, 2026 · V4.810.0000000.5.R · 9 devices · Dahua
- DH_VTHX6XXX-SX_MultiLang_SIP_EMEA_V4.810.0000000.5.R.260803.zip
Released Aug 15, 2026 · V4.810.0000000.5.R · 9 devices · Dahua
- DH_VTHX6XXX-SX_MultiLang_SIP_EMEA_V4.810.1132000.0.R.260813.zip
Released Aug 15, 2026 · V4.810.1132000.0.R · 9 devices · Dahua
- DH_VTHX6XXX-SX_MultiLang_SIP_Asia_V4.810.0000000.4.R.260528.zip
Released May 28, 2026 · V4.810.0000000.4.R · 8 devices · Dahua
- DH_VTHX6XXX-SX_MultiLang_SIP_CEE-Nordic_V4.810.0000000.4.R.260528.zip
Released May 28, 2026 · V4.810.0000000.4.R · 8 devices · Dahua
- DH_VTHX6XXX-SX_MultiLang_SIP_EMEA_V4.810.0000000.4.R.260528.zip
Released May 28, 2026 · V4.810.0000000.4.R · 8 devices · Dahua
- DH_VTHX6XXX-SX_MultiLang_SIP_CEE-Nordic_V4.810.0000000.3.R.260410.zip
Released Apr 10, 2026 · V4.810.0000000.3.R · 8 devices · Dahua