Samsung Chromebook 4 BA41-02783D REV: 1.4 bios

[Microeletronica]

Good evening. I have a Samsung with a corporate lock and I can't use it. Can someone provide me with the BIOS without the lock?
Model: BA41-02783D REV: 1.4
JAN-11/15 MAIN
XE310XBA-KT3BR
Serial number: 09wz9qat807502j
I'm attaching the original BIOS file.

[danito]

Good evening. I have a Samsung with a corporate lock and I can't use it. Can someone provide me with the BIOS without the lock?
Model: BA41-02783D REV: 1.4
JAN-11/15 MAIN
XE310XBA-KT3BR
Serial number: 09wz9qat807502j
I'm attaching the original BIOS file.

try
reinstall os

[Microeletronica]

try
reinstall os

It worked, but the block still remains. I attached a photo showing the block. Do you know if it's possible to remove it?