Firmware
Amcrest_SD-Prometheus_Eng_N_Stream3_AMCREST_V2.810.00AC004.0.R.210816.bin
Amcrest firmware released Aug 16, 2021. May work with 39 devices, including CA-HZ2023XA-A, CA-HZ2023XA-B, CA-HZ2025XA-A.
- Released
- Aug 16, 2021
- Version
- V2.810.00AC004.0.R
- Size
- 137.3 MB
- Hardware
- 39 devices
Download
Permanent copy on the Internet Archive (item page)
- MD5
d60864c2b1d186f51f886060996c4d19- SHA-256
1697059bf3af70092127bf2df3cbaee2c583f5d6ca971ac7ea5b38f3def8aecd- Changelog
- Release notes
Where it's published
Available from
Amcrest
Amcrest
Previous versionNo longer listedSold as
- Only for IP2M-863EW-AI
V2.810.00AC004.0.R · Listed date Aug 16, 2021
Compatible hardware
Hardware IDs this firmware's installer accepts (39 devices).
- CA-HZ2023XA-A
- CA-HZ2023XA-B
- CA-HZ2025XA-A
- CA-HZ2025XA1-A
- CA-HZ2031XA-A
- CA-HZ2031XAC-A
- CA-HZ2032XA-A
- CA-HZ2033XA-A
- CA-HZ2033XA-B
- CA-HZ2034XA3C-A
- CA-HZ2034XAC-A
- CA-HZ2037XA-A
- CA-HZ2037XA-B
- CA-HZ2037XA-C
- CA-HZ2045XA-A
- CA-HZ4023XB-A
- CA-HZ4024XA3C-A
- CA-HZ4024XAC-A
- CA-HZ4025XA-A
- CA-HZ4025XB-A
- CA-HZ4030XB-A
- CA-HZ4032XA-A
- CA-HZ4032XB-A
- CA-HZ4033XA-A
- CA-HZ4040XA-A
- CA-HZ4040XA-B
- CA-HZ4040XA-SVAC-A
- CA-HZ4040XA3-A
- CA-HZ4040XA3-B
- CA-HZ4040XA3-SVAC-A
- CA-HZ4040XB-A
- CA-HZ4045XA-A
- PTZ-NT401XB-A-F0360
- PTZ-NT402XB-A-F0600
- PTZ-NT404XB-A
- SD-MT1A404XB-GNR-A
- SD42D405XA-A
- SD49D420XB-A
- SD49D423XB-A
Where these IDs come from
- hwid: the device's own hardware check list, 39 IDs
- Install: the installer's device list (board families), 1 ID, vendor Amcrest (not counted: a more specific list exists)
- check.img: the device's own hardware check list, 39 IDs
Technical details
Read from inside the firmware (dahua package (zip variant)).
- Architecture
- arm
- OEM build
- Amcrest
- Flash
- 3.5 GB
- Image dates
- Aug 16, 2021
- Security
- Signed, encrypted, security baseline V2.1
- Language & video
- English by default · NTSC
Flash layout: 20 partitions, 7 written by this firmware
From the firmware's partition table (partitionV2.txt).
| Partition | Start | End | Size | Image | Filesystem | Built |
|---|---|---|---|---|---|---|
| U-Boot | 0x200000 | 0x300000 | 1.0 MB | dhboot.bin.img | — | 2021-08-16 |
| hwid | 0x300000 | 0x400000 | 1.0 MB | not written | — | — |
| updateflag | 0x400000 | 0x500000 | 1.0 MB | not written | — | — |
| partition(ro) | 0x500000 | 0x600000 | 1.0 MB | partition-x.cramfs.img | cramfs | 2021-08-16 |
| lens | 0x600000 | 0x800000 | 2.0 MB | not written | — | — |
| Kernel | 0x800000 | 0x1800000 | 16.0 MB | kernel.img | — | 2021-08-16 |
| custom(ro) | 0x1800000 | 0x1c00000 | 4.0 MB | custom-x.squashfs.img | squashfs | 2021-08-16 |
| product(ro) | 0x1c00000 | 0x2000000 | 4.0 MB | pd-x.squashfs.img | squashfs | 2021-08-16 |
| romfs(ro) | 0x2000000 | 0x16000000 | 320.0 MB | romfs-x.squashfs.img | squashfs | 2021-08-16 |
| web(ro) | 0x16000000 | 0x18000000 | 32.0 MB | web-x.squashfs.img | squashfs | 2021-08-16 |
| coredump | 0x2f900000 | 0x3c100000 | 200.0 MB | not written | — | — |
| dgs | 0x3c100000 | 0x3c900000 | 8.0 MB | not written | — | — |
| model | 0x3c900000 | 0x53900000 | 368.0 MB | not written | — | — |
| reserve | 0x53900000 | 0x55900000 | 32.0 MB | not written | — | — |
| ext | 0x56000000 | 0x5c000000 | 96.0 MB | not written | — | — |
| devconfig | 0x5c000000 | 0x5d000000 | 16.0 MB | not written | — | — |
| syslog | 0x5d000000 | 0x5e000000 | 16.0 MB | not written | — | — |
| config | 0x5e000000 | 0x5f000000 | 16.0 MB | not written | — | — |
| backup | 0x5f000000 | 0x60000000 | 16.0 MB | not written | — | — |
| appdata | 0x60000000 | 0xe0000000 | 2.0 GB | not written | — | — |
About the security baseline: firmware with a higher security baseline can stop a device going back to older firmware. A device already on a higher baseline than V2.1 may refuse this file, and after installing it you may not be able to downgrade to firmware with a lower baseline.
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