WD40PURX Firmware Problem

[brunobraga]

I have a wd40purx hd, which presented firmware problem.
In the disk manager it appears: disk not initialized, when command is to initialize it says:
incorrect function.
So I changed the logic board for an equal one, the disk started to recognize and I managed to create a partition but when I do tests it shows an error with about 10gb of recorded data.
Is there a way to recover the original firmware?
How to solve problems like that?
I am an electronics technician and I am starting in data and disk recovery, and it would be interesting to start with my own disk.

[DR-Kiev]

When you swap PCB did you transfer ROM ?

[brunobraga]

yes, as soon as the new card arrived, i changed the firmware, as the problem remained the same, i put the firmware of the purchased card when the HD came back to recognize but presenting problems in data recording.

[pepe]

i'm wondering how a pcb replacement could solve a fw problem

pepe

[brunobraga]

initially i didn't know it was a firmware problem, only after i changed the card did i realize it was a firmware problem.
do you know if there is any way to recover the original firmware?