www.makemkv.com

thanks a lot for your help, yeah I figured it out later and completed the process accordingly, now I am on DE firmware.

The new drive I bought is BU40N FR07 and gives the following information:
Drive Information
OS device name: F:
Manufacturer: HL-DT-ST
Product: BD-RE BU40N
Revision: FR07
Serial number:
Firmware date: 2118-01-22 15:36
Bus encryption flags: 1F

LibreDrive Information
Status: Possible (with patched ...

sgtblackice wrote: Wed Dec 30, 2020 4:33 pm Used this tool yesterday to flash a BU40N, worked perfectly! Thank you!

I am about to flash a BU40N with this tool, too. Could you please tell me which firmware you used? Did you select ENC option? Did you go back to DE firmware after?

Hello guys, I just got an LG BE14NU40 external burner and here is the output:
Drive Information
OS device name: G:
Manufacturer: HL-DT-ST
Product: BD-RE BE14NU40
Revision: 1.01
Serial number: K99FCJF1919
Firmware date: 2114-06-25 14:41
Bus encryption flags: 1F

LibreDrive Information
Status: Enabled ...