I'm new to this so please be kind...
I've downloaded the SDFtool Flasher and the firmware file (I have a BP50NB40). I can see the list of encrypted firmware. How do I find out what firmware is currently on my drive in order to compare it to the list?
Thank you,
DFex
SDFtool Flasher
Re: SDFtool Flasher
When you launch MakeMKV itself, it will show your optical drive model, its firmware version and date. That and the SDFtool Flasher [url]viewtopic.php?f=16&t=22896[/url ] first post will tell you how to flash your drive. Note that your BP50NB40 if SVC: NB52 (a tag on the bottom of the drive) takes a two step process to make it UHD capable.
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- Posts: 2
- Joined: Thu Sep 04, 2025 8:10 pm
Re: SDFtool Flasher
I am trying to use the Flasher to enable my LG-WH16NS40 but I get an error message telling me I can't flash this drive. Can someone help me understand what I can do or if there is a fix? This is a brand new, never used drive.
Drive Information
OS device name: H:
Manufacturer: HL-DT-ST
Product: BD-RE WH16NS40
Revision: 1.01
Serial number: K97DAOE3913
Firmware date: 2113-12-06 16:58
Bus encryption flags: 17
Highest AACS version: 76
LibreDrive Information
Status: Enabled
Drive platform: MT1939
Firmware type: Original (unpatched)
Firmware version: 1.01
DVD all regions: Yes
BD raw data read: Yes
BD raw metadata read: Partial
Unrestricted read speed: Yes
No disc inserted
Drive Information
OS device name: H:
Manufacturer: HL-DT-ST
Product: BD-RE WH16NS40
Revision: 1.01
Serial number: K97DAOE3913
Firmware date: 2113-12-06 16:58
Bus encryption flags: 17
Highest AACS version: 76
LibreDrive Information
Status: Enabled
Drive platform: MT1939
Firmware type: Original (unpatched)
Firmware version: 1.01
DVD all regions: Yes
BD raw data read: Yes
BD raw metadata read: Partial
Unrestricted read speed: Yes
No disc inserted
Re: SDFtool Flasher
Near the top of the Ultimate UHD Drives Flashing Guide there's a section that starts with "Stop Read Before Flashing". Item 2 on that list is Drive Platform MT1959. Your drive says it is drive platform MT1939. That's an older drive platform that does not support UHD. The SDFtool is saving you from flashing the wrong firmware onto the drive and rendering it unusable.OneBadTexican wrote: ↑Sat Sep 20, 2025 4:37 amI am trying to use the Flasher to enable my LG-WH16NS40 but I get an error message telling me I can't flash this drive. Can someone help me understand what I can do or if there is a fix? This is a brand new, never used drive.
Drive Information
OS device name: H:
Manufacturer: HL-DT-ST
Product: BD-RE WH16NS40
Revision: 1.01
Serial number: K97DAOE3913
Firmware date: 2113-12-06 16:58
Bus encryption flags: 17
Highest AACS version: 76
LibreDrive Information
Status: Enabled
Drive platform: MT1939
Firmware type: Original (unpatched)
Firmware version: 1.01
DVD all regions: Yes
BD raw data read: Yes
BD raw metadata read: Partial
Unrestricted read speed: Yes
No disc inserted
The drive you have maybe be new and unused, but it is not modern. If you can, return it.
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- Posts: 3844
- Joined: Wed Nov 22, 2017 11:45 pm
Re: SDFtool Flasher
As dcoke22 said, it might be new but it is an old drive with the old MT1939 drive platform. The firmware on it is from 2013 so at least 12 years old!!OneBadTexican wrote: ↑Sat Sep 20, 2025 4:37 amI am trying to use the Flasher to enable my LG-WH16NS40 but I get an error message telling me I can't flash this drive. Can someone help me understand what I can do or if there is a fix? This is a brand new, never used drive.
Drive Information
OS device name: H:
Manufacturer: HL-DT-ST
Product: BD-RE WH16NS40
Revision: 1.01
Serial number: K97DAOE3913
Firmware date: 2113-12-06 16:58
Bus encryption flags: 17
Highest AACS version: 76
LibreDrive Information
Status: Enabled
Drive platform: MT1939
Firmware type: Original (unpatched)
Firmware version: 1.01
DVD all regions: Yes
BD raw data read: Yes
BD raw metadata read: Partial
Unrestricted read speed: Yes
No disc inserted
Can you type here what the label on top of the drive says? Or attach a pic of the label?
Cheers
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For UHD enabled drives (AU/NZ/SG + Others) & DIY Single Drive Flasher (WW): https://uhdenableddrives.com

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For UHD enabled drives (AU/NZ/SG + Others) & DIY Single Drive Flasher (WW): https://uhdenableddrives.com