Firmware

KeaX2_V2.800.00KL000.0.R.200813.bin

IC Realtime firmware released Aug 13, 2020. May work with 45 devices, including IPC-HDB3233DR-AS-AC24V, IPC-HDBW2231FP-AS-S2, IPC-HDBW2431FP-AS-S2.

Download

Permanent copy on the Internet Archive (item page)

Hardware IDs this firmware's installer accepts (45 devices).

Where these IDs come from

hwid: the device's own hardware check list, 45 IDs
Install: the installer's device list (board families), 1 ID, vendor General (not counted: a more specific list exists)
check.img: the device's own hardware check list, 45 IDs

Read from inside the firmware (dahua package (zip variant)).

Flash layout: 20 partitions, 6 written by this firmware

From the firmware's partition table (partitionV2.txt).

Partition	Start	End	Size	Image	Filesystem	Built
mini-Boot	0x0	0x280000	2.5 MB	dhboot-min.bin.img	—	2020-08-13
U-Boot	0x340000	0x400000	768.0 KB	dhboot.bin.img	—	2020-08-13
hwid	0x400000	0x500000	1.0 MB	not written	—	—
dgs	0x500000	0x600000	1.0 MB	not written	—	—
syslog	0x600000	0xd00000	7.0 MB	not written	ubi	—
config	0xd00000	0x1400000	7.0 MB	not written	ubi	—
backup	0x1400000	0x1b00000	7.0 MB	not written	ubi	—
updateflag	0x1b00000	0x1c00000	1.0 MB	not written	—	—
partition(ro)	0x1c00000	0x1d00000	1.0 MB	partition-x.cramfs.img	cramfs	2020-08-13
product(ro)	0x1d00000	0x2200000	5.0 MB	not written	squashfs	—
Kernel	0x2200000	0x2900000	7.0 MB	kernel.img	—	2020-08-13
web(ro)	0x2900000	0x3300000	10.0 MB	web-x.squashfs.img	squashfs	2020-08-13
romfs(ro)	0x3300000	0x4c00000	25.0 MB	romfs-x.squashfs.img	squashfs	2020-08-13
aewb(ro)	0x4c00000	0x4e00000	2.0 MB	not written	squashfs	—
backpart(ro)	0x4e00000	0x4f00000	1.0 MB	not written	—	—
backproduct(ro)	0x4f00000	0x5400000	5.0 MB	not written	—	—
backkernel	0x5400000	0x5b00000	7.0 MB	not written	—	—
backweb(ro)	0x5b00000	0x6500000	10.0 MB	not written	—	—
backromfs(ro)	0x6500000	0x7e00000	25.0 MB	not written	—	—
backaewb(ro)	0x7e00000	0x8000000	2.0 MB	not written	—	—

Other files for much of the same hardware, from any vendor.