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Hello, I'm a newbie here. I'd like to watch or rip a UHD Blu-ray disc on my drive. I have LG BP55EB40 svc code: EB40, manufactured: november 2016. I tried to flash the firmware, but I got stuck.

Now i got makmkv and I can’t open the drive tray:
Drive Information
OS device name: O:
Manufacturer: HL-DT-ST
Product: BD-RE BP50NB40
Revision: 1.03
Serial number: MZ4GBTE1930
Firmware date: 2120-05-07 09:17
Bus encryption flags: 17
Highest AACS version: 72

LibreDrive Information
Status: Enabled
Drive platform: MT1959
Firmware type: Patched (microcode access re-enabled)
Firmware version: 1.03
DVD all regions: Yes
BD raw data read: Yes
BD raw metadata read: Yes
Unrestricted read speed: Yes

Is there any way I can recover/save the drive?

I got the identical drive with SVC Code EB52, manufactured November 2024.

Drive Information
OS device name: /dev/sr0
Manufacturer: HL-DT-ST
Product: BD-RE BP55EB40
Revision: 1.03
Serial number: [redacted]
Firmware date: 2120-05-07 09:24
Bus encryption flags: 17
Highest AACS version: 81

LibreDrive Information
Status: Enabled
Drive platform: MT1959
Firmware type: Patched (microcode access re-enabled)
Firmware version: 1.03
DVD all regions: Yes
BD raw data read: Yes
BD raw metadata read: Yes
Unrestricted read speed: Yes

Cross-flashed it with BP60NB10 MK 1.03 firmware.

Looking at both our drive infos, the product on yours is wrong, BD-RE BP50NB40 instead of BD-RE BP55EB40.

Did you perhaps follow the SDFtool Flasher Guide to the letter and got BP50NB40 firmware in the first step instead of BP55EB40 firmware?

I would try flashing with Write and Encrypted the MK BP55EB40-NB50-1.03 firmware to see if this corrects your issue

I managed to flash it to version BD-RE BP55EB40 1.03 as you described, but unfortunately the disc tray still doesn’t open when I press the “eject” button.

Drive Information
OS device name: O:
Manufacturer: HL-DT-ST
Product: BD-RE BP55EB40
Revision: 1.03
Serial number: MZ4GBTE1930
Firmware date: 2120-05-07 09:24
Bus encryption flags: 17
Highest AACS version: 72

LibreDrive Information
Status: Enabled
Drive platform: MT1959
Firmware type: Patched (microcode access re-enabled)
Firmware version: 1.03
DVD all regions: Yes
BD raw data read: Yes
BD raw metadata read: Yes
Unrestricted read speed: Yes

No disc inserted