Firmware
Amcrest_IPC-HX1X3X-LEXUS_Eng_N_AMCREST_V2.420.AC01.3.R.20180206.bin
Amcrest firmware released Jun 2, 2018. May work with 12 devices, including IPC-HDBW1230E-S, IPC-HDBW1230E-S-Lexus, IPC-HDBW1235E-W.
- Released
- Jun 2, 2018
- Version
- V2.420.AC01.3.R
- Size
- 15.2 MB
- Hardware
- 12 devices
Download
Download firmware
Permanent copy on the Internet Archive (item page)
- MD5
15a681f610fe9ce6f45e9b0ed82c6927- SHA-256
f934e8ca800f1f09e616e2c43670b9618c0a5b03592fbc6971c1653547b12579- Changelog
- Release notes
Where it's published
Available from
Amcrest
Amcrest
Current- For IP4M-1026EB and IP4M-1026EW - DISCONTINUED
- For IP4M-1026B and IP4M-1026W - DISCONTINUED
- For IP2M-851B and IP2M-851W - DISCONTINUED
- For IP4M-1028B and IP4M-1028W - DISCONTINUED
- For IP2M-852B and IP2M-852W - DISCONTINUED
- For IP2M-852EB and IP2M-852EW - DISCONTINUED
- For IP2M-851EB and IP2M-851EW - DISCONTINUED
- For IP4M-1028EB and IP4M-1028EW - DISCONTINUED
V2.420.AC01.3.R · Listed date Jun 2, 2018
Vendor link (amcrest-firmwares.s3.amazonaws.com)
Previously at 8 other addresses
- https://amcrest-firmwares.s3.amazonaws.com/Curent+firmware/IP2M-851/Amcrest_IPC-HX1X3X-LEXUS_Eng_N_AMCREST_V2.420.AC01.3.R.20180206.bin (last seen Oct 22, 2026)
- https://amcrest-firmwares.s3.amazonaws.com/Curent+firmware/IP4M-1028E/Amcrest_IPC-HX1X3X-LEXUS_Eng_N_AMCREST_V2.420.AC01.3.R.20180206.bin (last seen Oct 6, 2026)
- https://amcrest-firmwares.s3.amazonaws.com/Curent+firmware/IP4M-1026W/Amcrest_IPC-HX1X3X-LEXUS_Eng_N_AMCREST_V2.420.AC01.3.R.20180206.bin (last seen Oct 22, 2026)
- https://amcrest-firmwares.s3.amazonaws.com/Curent+firmware/IP4M-1026E/Amcrest_IPC-HX1X3X-LEXUS_Eng_N_AMCREST_V2.420.AC01.3.R.20180206.bin (last seen Oct 6, 2026)
- https://s3.amazonaws.com/amcrest-firmwares/Amcrest_IPC-HX1X3X-LEXUS_Eng_N_AMCREST_V2.420.AC01.3.R.20180206.bin (last seen Oct 6, 2026)
- https://amcrest-firmwares.s3.amazonaws.com/Curent+firmware/IP4M-1028/Amcrest_IPC-HX1X3X-LEXUS_Eng_N_AMCREST_V2.420.AC01.3.R.20180206.bin (last seen Oct 22, 2026)
- https://amcrest-firmwares.s3.amazonaws.com/Curent+firmware/IP2M-852/Amcrest_IPC-HX1X3X-LEXUS_Eng_N_AMCREST_V2.420.AC01.3.R.20180206.bin (last seen Oct 22, 2026)
- https://amcrest-firmwares.s3.amazonaws.com/Curent+firmware/IP2M-852E/Amcrest_IPC-HX1X3X-LEXUS_Eng_N_AMCREST_V2.420.AC01.3.R.20180206.bin (last seen Oct 22, 2026)
Compatible hardware
Hardware IDs this firmware's installer accepts (12 devices).
- IPC-HDBW1230E-S
- IPC-HDBW1230E-S-Lexus
- IPC-HDBW1235E-W
- IPC-HDBW1235E-W-Lexus
- IPC-HDBW1430EN-AS-Lexus
- IPC-HDBW1430SN-AW-Lexus
- IPC-HFW1230S
- IPC-HFW1230S-Lexus
- IPC-HFW1235S-W
- IPC-HFW1235S-W-Lexus
- IPC-HFW1430SN-Lexus
- IPC-HFW1430SN-W-Lexus
Where these IDs come from
- check.img: the device's own hardware check list, 12 IDs
- Install: the installer's device list (board families), 5 IDs, vendor Amcrest (not counted: a more specific list exists)
Technical details
Read from inside the firmware (dahua package (zip variant)).
- SoC
- Ambarella S3L
- Architecture
- arm
- OEM build
- Amcrest
- Kernel
- Linux 3.10.73
- Bootloader
- U-Boot 2010.06-svn4694
- Flash
- 32.0 MB
- Image dates
- Feb 6, 2018 to Mar 26, 2018
- Security
- Signed, not encrypted
- Language & video
- English by default · NTSC
Flash layout: 16 partitions, 9 written by this firmware
From the firmware's partition table (partitionV2.txt).
| Partition | Start | End | Size | Image | Filesystem | Built |
|---|---|---|---|---|---|---|
| MinBoot | 0x0 | 0x40000 | 256.0 KB | dhboot-min.bin.img | — | 2018-03-26 |
| U-Boot | 0x80000 | 0xc0000 | 256.0 KB | dhboot.bin.img | — | 2018-03-26 |
| hwid | 0xc0000 | 0xe0000 | 128.0 KB | not written | — | — |
| partition(ro) | 0xe0000 | 0xf0000 | 64.0 KB | partition-x.cramfs.img | cramfs | 2018-02-06 |
| Kernel | 0xf0000 | 0x270000 | 1.5 MB | kernel.img | — | 2018-03-26 |
| romfs(ro) | 0x270000 | 0x3c0000 | 1.3 MB | romfs-x.squashfs.img | squashfs | 2018-02-06 |
| web(ro) | 0x3c0000 | 0xa40000 | 6.5 MB | web-x.squashfs.img | squashfs | 2018-02-06 |
| user(ro) | 0xa40000 | 0x1a70000 | 16.2 MB | user-x.squashfs.img | squashfs | 2018-03-26 |
| updateflag | 0x1a70000 | 0x1aa0000 | 192.0 KB | not written | — | — |
| config | 0x1aa0000 | 0x1b10000 | 448.0 KB | not written | jffs2 | — |
| product(ro) | 0x1b10000 | 0x1b20000 | 64.0 KB | pd-x.squashfs.img | squashfs | 2018-02-06 |
| custom(ro) | 0x1b20000 | 0x1b40000 | 128.0 KB | custom-x.squashfs.img | squashfs | 2018-02-06 |
| backupker(ro) | 0x1b40000 | 0x1c20000 | 896.0 KB | not written | squashfs | — |
| backupfs(ro) | 0x1c20000 | 0x1c70000 | 320.0 KB | not written | squashfs | — |
| data | 0x1c70000 | 0x1d70000 | 1.0 MB | not written | jffs2 | — |
| user1(ro) | 0x1d70000 | 0x2000000 | 2.6 MB | not written | squashfs | — |
Related firmware
Other files for much of the same hardware, from any vendor.
- Amcrest_IPC-HX1X3X-LEXUS_Eng_N_AMCREST_V2.420.AC01.2.R.20170720+(1).bin
Released Jul 20, 2017 · V2.420.AC01.2.R · 12 devices · Amcrest
- RVI_RVi-IPC34VM4L_V.2_(2.7-13.5)_Group_IPC-HX2X3X-Rhea_RusEng_P_V1.010.GP03.1.R.20180517.bin
Released May 17, 2018 · V1.010.GP03.1.R · 84 devices · RVI
- RVI_RVi-IPC44S_group_ipc-hx2x3x-rhea_ruseng_p_v1.010.gp03.1.r.20180517.zip
Built May 17, 2018 · V1.010.gp03.1 · 84 devices · RVI
- DH_IPC-HX2X3X-Rhea_MultiLang_PN_Stream2_V2.800.0000033.0.R.260821.bin
Released Aug 21, 2026 · V2.800.0000033.0.R · 71 devices · Dahua
- DH_IPC-HX2X3X-Rhea_MultiLang_PN_Stream2_V2.800.0000033.0.R.260821.zip
Released Aug 21, 2026 · V2.800.0000033.0.R · 71 devices · Dahua
- General_IPC-HX2X3X-Rhea_MultiLang_NP_Stream2_V2.800.0000033.0.R.260821.bin
Released Aug 21, 2026 · V2.800.0000033.0.R · 71 devices · ENS Security
- General_IPC-HX2X3X-Rhea_MultiLang_PN_Stream2_V2.800.0000033.0.R.260821.zip
Released Aug 21, 2026 · V2.800.0000033.0.R · 71 devices · Dahua
- General_IPC-HX2X3X-Rhea_MultiLang_NP_Stream2_V2.800.0000032.0.R.250224.zip
Released May 15, 2025 · V2.800.0000032.0.R · 71 devices · Inaxsys