BCS-DVR0401QE-II Recorder Repair: Firmware Upload, Flash Memory, LAN Scanning & Hard Reset

Hello, I have a damaged BCS-DVR0401QE-II recorder (after a successful network attack)
After successfully starting the recorder, HACKED inscriptions are visible in the camera names.
An attempt was made to upload the firmware via USB and the hardware has not started since then.
Only the red ROWER LED is lit as well as on the main plane, no beep. It does not scan via LAN (telnet is out)
I read that the websites program the memory chip through an external programmer.

I have a second such recorder working, but after the storm, 2 camera ports from 4 are damaged I can rip flash but I don't know what bone.
Here is my question:
Is there any other method of repairing BCS, DAHUA software, e.g. serial, or some USB recovery firmware, Hard Reset?
Can anyone tell me where the flash is sitting and where to download the batches?

Added after 1 [hours] 54 [minutes]:
I sent a request for a flash chip and bin file to the NSS.
in response, I got a link with the firmware, unfortunately without any additional description in what system.
here is the link:
ftp://ftp.bcscctv.pl/FIRMWARE/BCS%20Line/DVR/

Thank you for your answer.
That's right, the MX25L12845EMI-10G chip is memory.

Desoldered and programmed with the CH341A programmer (previously ripped copy)
Programmed with a blank file
ftp://ftp.bcscctv.pl/FIRMWARE/BCS%20Line/DVR/
Soldered, unfortunately unchanged recorder turns on, no beep and no video
Any other idea?
Added after 1 [hours] 28 [minutes]:
Recorder fixed
the damaged memory chip was MX25L12845EMI-10G
In the new firmware uploaded on the Internet (or by NSS) there was no effect.
Only after uploading the program / batch ripped from a functional recorder (the same model) everything started to work.

I am sharing the ripped batch of .bin here.