Firmware
Customer_NVR4XXX-4KS2_Eng_Amecrest-10004_V4.000.00AC000.0.R.20211101.bin
Amcrest firmware released May 21, 2020. May work with 1 device.
- Released
- May 21, 2020
- Version
- V4.000.AC000
- Size
- 47.7 MB
- Hardware
- 1 device
Download
Permanent copy on the Internet Archive (item page)
- MD5
fc9fa6fa876080302c11f57aa3d0f5d4- SHA-256
c30561f00084a5f3d1fb2914b4eb35d3823dffbc790825942ff3facf358f704a
Where it's published
Available from
Amcrest
Amcrest
Current- Only for NV4432E-HS
- Only for NV4108-HS
- Only for NV4108E-HS
- Only for NV4116-HS
- Only for NV4116E-HS
- Only for NV4432-HS - DISCONTINUED
V4.000.AC000 · Listed date May 21, 2020
Compatible hardware
Hardware IDs this firmware's installer accepts (1 device). Names with placeholders such as x or XXX are board families.
Where these IDs come from
- Install.lua: the installer script's board checks, 2 IDs
Technical details
Read from inside the firmware (dahua package (zip variant)).
- SoC
- HiSilicon Hi3798CV200
- Architecture
- arm
- Flash
- 128.0 MB
- Image dates
- Nov 1, 2021
- Security
- Signed, security baseline V1.4, upgrade security version V2.0
Flash layout: 12 partitions, 6 written by this firmware
From the recorder's Install.lua partition table.
| Partition | Start | End | Size | Image | Filesystem | Built |
|---|---|---|---|---|---|---|
| boot | 0x0 | 0x300000 | 3.0 MB | u-boot.bin.img | — | 2021-11-01 |
| env | 0x300000 | 0x500000 | 2.0 MB | not written | — | — |
| uImage | 0x500000 | 0xf00000 | 10.0 MB | uImage.img | — | 2021-11-01 |
| rootfs | 0xf00000 | 0x4500000 | 54.0 MB | romfs-x.squashfs.img | squashfs | 2021-11-01 |
| web | 0x4500000 | 0x4f00000 | 10.0 MB | web-x.squashfs.img | squashfs | 2021-11-01 |
| custom | 0x4f00000 | 0x5100000 | 2.0 MB | custom-x.squashfs.img | squashfs | 2021-11-01 |
| logo | 0x5100000 | 0x5400000 | 3.0 MB | logo-x.squashfs.img | cramfs | 2021-11-01 |
| config | 0x5400000 | 0x5a00000 | 6.0 MB | not written | — | — |
| logs | 0x5a00000 | 0x6400000 | 10.0 MB | not written | — | — |
| extend1 | 0x6400000 | 0x6c00000 | 8.0 MB | not written | — | — |
| backup | 0x6c00000 | 0x7800000 | 12.0 MB | not written | — | — |
| extend2 | 0x7800000 | 0x8000000 | 8.0 MB | 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 V1.4 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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