Firmware platform
VTHX421H (VTH2421FS-SH and similar)
3 devices list exactly the same 53 firmware files, so they're collected here. Most of the files are named for the VTHX421H platform. Each device's own page shows its newest files. Even on a shared platform, confirm your device's updateSerial before flashing.
- Firmware files
- 53
- Devices
- 3
- Newest
- Jun 12, 2026
- Vendors
- Dahua, ASM, Santronic, Global DS, Eltrox, VIP Vision, Viatec, Cifra, Rhino, ip-phone-forum.de
Devices on this platform
From the VTH family.
Firmware
- General_VTHX421H_MultiLang_SIP_Asia_V4.810.0000000.4.R.260527.zipDownload
Released Jun 12, 2026 · V4.810.0000000.4.R · 10 devices · Dahua
- General_VTHX421H_MultiLang_SIP_CEE-Nordic_V4.810.0000000.4.R.260527.zipDownload
Released Jun 12, 2026 · V4.810.0000000.4.R · 10 devices · Dahua
- General_VTHX421H_MultiLang_SIP_EMEA_V4.810.0000000.4.R.260527.zipDownload
Released Jun 12, 2026 · V4.810.0000000.4.R · 10 devices · Dahua
- DH_VTHX421H_MultiLang_SIP_Asia_V4.810.0000000.4.R.260527.zipDownload
Released May 27, 2026 · V4.810.0000000.4.R · 10 devices · Dahua
- DH_VTHX421H_MultiLang_SIP_CEE-Nordic_V4.810.0000000.4.R.260527.zipDownload
Released May 27, 2026 · V4.810.0000000.4.R · 10 devices · Dahua
- DH_VTHX421H_MultiLang_SIP_EMEA_V4.810.0000000.4.R.260527.zipDownload
Released May 27, 2026 · V4.810.0000000.4.R · 10 devices · Dahua
- DH_VTHX421H_MultiLang_SIP_Asia_V4.810.0000000.3.R.260410.zipDownload
Released Apr 10, 2026 · V4.810.0000000.3.R · 10 devices · Dahua
- DH_VTHX421H_MultiLang_SIP_CEE-Nordic_V4.810.0000000.3.R.260410.zipDownload
Released Apr 10, 2026 · V4.810.0000000.3.R · 10 devices · Dahua
- DH_VTHX421H_MultiLang_SIP_EMEA_V4.810.0000000.3.R.260410.zipDownload
Released Apr 10, 2026 · V4.810.0000000.3.R · 10 devices · Dahua
- DH_VTHX421H_MultiLang_SIP_CEE-Nordic_V4.810.0000000.2.R.251128.zipDownload
Released Nov 28, 2025 · V4.810.0000000.2.R · 10 devices · ASM, Dahua
- Customer_VTHX421H_Eng_SIP_EMEA_V4.810.150I000.0.R.251022_part11.binDownload
Released Nov 17, 2025 · V4.810.150I000.0.R · 10 devices · Dahua
- Customer_VTHX421H_Eng_SIP_EMEA_V4.810.150I000.0.R.251022_part21.binDownload
Released Nov 17, 2025 · V4.810.150I000.0.R · 10 devices · Dahua
- DH_VTHX421H_MultiLang_SIP_EMEA_V4.810.0000000.1.R.250915.zipDownload
Released Sep 15, 2025 · V4.810.0000000.1.R · 10 devices · Santronic
- DH_VTHX421H_MultiLang_SIP_EMEA_V4.810.0000000.0.R.250707_part1.binDownload
Released Jul 7, 2025 · V4.810.0000000.0.R · 10 devices · Dahua
- DH_VTHX421H_MultiLang_SIP_EMEA_V4.810.0000000.0.R.250707_part2.binDownload
Released Jul 7, 2025 · V4.810.0000000.0.R · 10 devices · Dahua
- DH_VTHX421H_MultiLang_SIP_CEE-Nordic_V4.800.0000000.0.R.241114_part1.binDownload
Released Nov 14, 2024 · V4.800.0000000.0.R · 10 devices · Global DS
- DH_VTHX421H_MultiLang_SIP_CEE-Nordic_V4.800.0000000.0.R.241114_part2.binDownload
Released Nov 14, 2024 · V4.800.0000000.0.R · 10 devices · Global DS
- DH_VTHX421H_MultiLang_SIP_EMEA_V4.800.0000000.0.R.241114_part1.binDownload
Released Nov 14, 2024 · V4.800.0000000.0.R · 10 devices · Dahua
- DH_VTHX421H_MultiLang_SIP_EMEA_V4.800.0000000.0.R.241114_part2.binDownload
Released Nov 14, 2024 · V4.800.0000000.0.R · 10 devices · Dahua
- General_VTHX421H_MultiLang_SIP_EMEA_V4.800.0000000.0.R.241114_part1.binDownload
Released Nov 14, 2024 · V4.800.0000000.0.R · 10 devices · Dahua
- General_VTHX421H_MultiLang_SIP_EMEA_V4.800.0000000.0.R.241114_part2.binDownload
Released Nov 14, 2024 · V4.800.0000000.0.R · 10 devices · Dahua
- DH_VTHX421H_MultiLang_SIP_EMEA_V4.700.0000000.2.R.240801.zipDownload
Released Aug 12, 2024 · V4.700.0000000.2.R · 10 devices · Dahua
- DH_VTHX421H_MultiLang_SIP_EMEA_V4.700.0000000.1.R.231130.zipDownload
Released Jan 4, 2024 · V4.700.0000000.1.R · 10 devices · Dahua, Santronic
- DH_VTHX421H_MultiLang_SIP_CEE-Nordic_V4.700.0000000.1.R.231130_part1.binDownload
Released Nov 30, 2023 · V4.700.0000000.1.R · 10 devices · ASM
- DH_VTHX421H_MultiLang_SIP_CEE-Nordic_V4.700.0000000.1.R.231130_part2.binDownload
Released Nov 30, 2023 · V4.700.0000000.1.R · 10 devices · ASM
- DH_VTHX421H_MultiLang_SIP_EMEA_V4.700.0000000.1.R.231130_part1.binDownload
Released Nov 30, 2023 · V4.700.0000000.1.R · 10 devices · Dahua
- DH_VTHX421H_MultiLang_SIP_EMEA_V4.700.0000000.1.R.231130_part2.binDownload
Released Nov 30, 2023 · V4.700.0000000.1.R · 10 devices · Dahua
- General_VTHX421H_MultiLang_SIP_EMEA_V4.700.0000000.1.R.231130_part1.binDownload
Released Nov 30, 2023 · V4.700.0000000.1.R · 10 devices · Dahua
- General_VTHX421H_MultiLang_SIP_EMEA_V4.700.0000000.1.R.231130_part2.binDownload
Released Nov 30, 2023 · V4.700.0000000.1.R · 10 devices · Dahua
- DH_VTHX421H_MultiLang_SIP_CEE-Nordic_V4.700.0000000.0.R.230804_part1.binDownload
Released Aug 4, 2023 · V4.700.0000000.0.R · 10 devices · Global DS
- DH_VTHX421H_MultiLang_SIP_CEE-Nordic_V4.700.0000000.0.R.230804_part2.binDownload
Released Aug 4, 2023 · V4.700.0000000.0.R · 10 devices · Global DS
- DH_VTHX421H_MultiLang_SIP_CEE-Nordic_V4.700.0000000.0.R.230804.zipDownload
Released Aug 4, 2023 · V4.700.0000000.0.R · 10 devices · ASM
- DH_VTHX421H_MultiLang_SIP_EMEA_V4.700.0000000.0.R.230804_part1.binDownload
Released Aug 4, 2023 · V4.700.0000000.0.R · 10 devices · Dahua
- DH_VTHX421H_MultiLang_SIP_EMEA_V4.700.0000000.0.R.230804_part2.binDownload
Released Aug 4, 2023 · V4.700.0000000.0.R · 10 devices · Dahua
- DH_VTHX421H_MultiLang_SIP_CEE-Nordic_V4.600.0000000.3.R.230303.zipDownload
Released Mar 3, 2023 · V4.600.0000000.3.R · 10 devices · Eltrox, Global DS
- 1555181_DH_VTHX421H_MultiLang_SIP_EMEA_V4.600.0000000.3.R.230303.zipDownload
Released Oct 19, 2022 · V4.600.0000000.3.R · 10 devices · Dahua, Santronic
- 1007136036419.zipDownload
Released Sep 27, 2022 · V4.600.0000000.0.R · 10 devices · Dahua
- DH_VTHX421H_MultiLang_SIP_V4.510.0000000.0.R.220111.binDownload
Released Sep 6, 2022 · V4.510.0000000.0.R · 10 devices · Santronic
- 1942554266821.zipDownload
Released Aug 19, 2022 · V4.600.0000000.0.R · 10 devices · Dahua, Global DS, ASM
- DH_VTHX421H_MultiLang_SIP_EMEA_V4.600.0000000.0.R.220819_part1.binDownload
Released Aug 19, 2022 · V4.600.0000000.0.R · 10 devices · Dahua
- DH_VTHX421H_MultiLang_SIP_EMEA_V4.600.0000000.0.R.220819_part2.binDownload
Released Aug 19, 2022 · V4.600.0000000.0.R · 10 devices · Dahua
- DH_VTHX421H_MultiLang_SIP_V4.510.0000000.0.R.220111.zipDownload
Released Jan 11, 2022 · V4.510.0000000.0.R · 10 devices · ASM, Dahua
- VIPVision_6098_SIP_Intercom_Firmware_TypeH_20220111.zipDownload
Built Jan 11, 2022 · 10 devices · VIP Vision
- VIPVision_7175_SIP_Intercom_Firmware_TypeK_20220111.zipDownload
Built Jan 11, 2022 · 10 devices · VIP Vision
- DH_VTHX421H_MultiLang_SIP_V4.510.0000000.0.R.211119.zipDownload
Released Nov 19, 2021 · V4.510.0000000.0.R · 10 devices · ASM
- DH_VTHX421H_MultiLang_SIP_V4.500.0000002.0.R.210713.binDownload
Released Jul 13, 2021 · V4.500.0000002.0.R · 10 devices · Dahua, Viatec
- General_VTHX421H_MultiLang_SIP_V4.500.0000002.0.R.210713.binDownload
Released Jul 13, 2021 · V4.500.0000002.0.R · 10 devices · Global DS
- General_VTHX421H-data_MultiLang_Eng_SIP_PART_V4.500.0000002.0.R.20210520.binDownload
Released May 20, 2021 · V4.500.0000002.0.R · 10 devices · Global DS
- General_VTHX421H-data_MultiLang_Eng_SIP_PART_V4.500.0000002.0.R.20210520.zipDownload
Released May 20, 2021 · V4.500.0000002.0.R · 10 devices · ASM
- DH_VTHX421H_MultiLang_SIP_V4.500.0000000.7.R.201220.binDownload
Released Dec 20, 2020 · V4.500.0000000.7.R · 10 devices · Cifra
- General_VTHX421H_MultiLang_SIP_V4.500.0000000.7.R.201120-622a4e18.zipDownload
Released Nov 20, 2020 · V4.500.0000000.7.R · 10 devices · Eltrox
- General_VTHX421H_MultiLang_SIP_V4.500.0000000.7.R.201120.bin.binDownload
Released Nov 20, 2020 · V4.500.0000000.7.R · 10 devices · Rhino, Dahua, Santronic
- General_VTHX421H_MultiLang_SIP_V4.500.0000000.7.R.201120.zipDownload
Released Nov 20, 2020 · V4.500.0000000.7.R · 10 devices · ASM, ip-phone-forum.de
Compatibility is detected automatically from firmware files and may be incomplete or wrong. Always confirm your device's updateSerial first.
Retail models using the same firmware
- VTH2421FB/FW
- VTH2421FB/VTH2421FW
- VTH2421FB(W)-P
- VTH5221D(W)-S2
- VTH5221D/DW-S2
- VTH5221DB-S2/VTH5221DW-S2
- VTH5241DW-S2
- VTH5421E(W)-H
- VTH5421EB-H/VTH5421EW-H
- VTH2421FB-P/VTH2421FW-P
- VTH5441G
- VTH2421FW-P
- VTH2421FB-P
- VTH2421
- VTHX421H
- KTP01L
- Neutral
- VTH5421E(W)-H_VTH5221D/DW-S2_VTH5241DW-S2_VTH2421FB(W)-P_VTH5441G_VTH2421FB/FW
- VTH5221DW-S2
- VTH2421F(W/B)-P
- VTH5421EW-H
- KTP01
- KTW01
- V4.510_bez_cestiny
- INTIPMONGB
- INTIPMONGBL
- INTIPMONGW
- INTIPMONDBH2
- INTIPMONDWH2
- VTH2421FB
- VTH2421FW
- VTH5221D-S2
- VTH5421E-H
- 201120_CZ