tl;dr; I think my drive should be able to handle UHD, and some of the documentation seems to say I can, but I can't. I may be mis-reading the steps. I was going to use Omni tool, which seems to need my original firmware.
Trying to get my original firmware, using sdftool, it lists my drive:
sdftool -l
Found 1 drives(s)
00: \Device\CdRom0, \Device\CdRom0, F:
HL-DT-ST_BDDVDRW_UH12NS40_1.00_211602231042_SIK92G76G182
But trying to read to a bin file, I get:
sdftool -d \Device\CdRom0 -f UH12NS40_1.00.bin
Unable to load sdf.bin
Internal error 0xffffffff
Running MKV 1.18.4 (win x64) I see my drive as
Manuf: HL-DT-ST
Prod: BDDVDRW UH12NS40
Rev: 1.00
Firmware date: 2116-02-23 10:42
Bus encrypt: 16
LibreDrive
Status: Enabled
Drive platform MT1959
Firmware type: Original (unpatched)
Firmware version: 1.00
(I Can provide more info if needed.)
LG HL-DT-ST UH12NS40 flashing issues
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Billycar11
- Posts: 6184
- Joined: Sun Aug 24, 2014 5:49 am
Re: LG HL-DT-ST UH12NS40 flashing issues
have you opened/run a disc through makemkv yet so it download the sdf?mkenyon2 wrote: Wed Aug 26, 2026 12:14 am tl;dr; I think my drive should be able to handle UHD, and some of the documentation seems to say I can, but I can't. I may be mis-reading the steps. I was going to use Omni tool, which seems to need my original firmware.
Trying to get my original firmware, using sdftool, it lists my drive:
sdftool -l
Found 1 drives(s)
00: \Device\CdRom0, \Device\CdRom0, F:
HL-DT-ST_BDDVDRW_UH12NS40_1.00_211602231042_SIK92G76G182
But trying to read to a bin file, I get:
sdftool -d \Device\CdRom0 -f UH12NS40_1.00.bin
Unable to load sdf.bin
Internal error 0xffffffff
Running MKV 1.18.4 (win x64) I see my drive as
Manuf: HL-DT-ST
Prod: BDDVDRW UH12NS40
Rev: 1.00
Firmware date: 2116-02-23 10:42
Bus encrypt: 16
LibreDrive
Status: Enabled
Drive platform MT1959
Firmware type: Original (unpatched)
Firmware version: 1.00
(I Can provide more info if needed.)
Buy a drive from the guide and video maker: viewtopic.php?t=17831
UHD Drive Guide: viewtopic.php?t=19634
Auto flash kit $40 Email Billycar5924@gmail.com No attachments
UHD Drive Guide: viewtopic.php?t=19634
Auto flash kit $40 Email Billycar5924@gmail.com No attachments
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mkenyon2
- Posts: 2
- Joined: Tue Aug 25, 2026 11:17 pm
Re: LG HL-DT-ST UH12NS40 flashing issues
I made MKV files off of a Blu-ray and a DVD, with MakeMKV running as admin. Still no sdf.bin file in C:\Program Files (x86)\MakeMKV
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Sayaka
- Posts: 294
- Joined: Sat Feb 28, 2026 3:00 pm
Re: LG HL-DT-ST UH12NS40 flashing issues
I am not surprised that this is not working.mkenyon2 wrote: Wed Aug 26, 2026 12:14 am tl;dr; I think my drive should be able to handle UHD, and some of the documentation seems to say I can, but I can't. I may be mis-reading the steps. I was going to use Omni tool, which seems to need my original firmware.
Trying to get my original firmware, using sdftool, it lists my drive:
sdftool -l
Found 1 drives(s)
00: \Device\CdRom0, \Device\CdRom0, F:
HL-DT-ST_BDDVDRW_UH12NS40_1.00_211602231042_SIK92G76G182
But trying to read to a bin file, I get:
sdftool -d \Device\CdRom0 -f UH12NS40_1.00.bin
Unable to load sdf.bin
Internal error 0xffffffff
Running MKV 1.18.4 (win x64) I see my drive as
Manuf: HL-DT-ST
Prod: BDDVDRW UH12NS40
Rev: 1.00
Firmware date: 2116-02-23 10:42
Bus encrypt: 16
LibreDrive
Status: Enabled
Drive platform MT1959
Firmware type: Original (unpatched)
Firmware version: 1.00
(I Can provide more info if needed.)
This :
Code: Select all
sdftool -d \Device\CdRom0 -f UH12NS40_1.00.binIf you want to try to make a backup of your firmware for whatever reason, try this instead (inside the folder where MakeMKV was installed) :
Code: Select all
.\sdftool64.exe -d F: dump fullIf you want to make your drive UHD-compatible :
Code: Select all
.\sdftool64.exe -d F: rawflash main -i "C:\replace-this-with-the-correct-path-to-the-following-firmware-file\DE_LG_WH16NS60_1.02_MK.bin"-
Sayaka
- Posts: 294
- Joined: Sat Feb 28, 2026 3:00 pm
Re: LG HL-DT-ST UH12NS40 flashing issues
I've just fixed a typo and replaced the "F:\replace-this[...]" part with "C:\replace-this[...]" since 1) the letter of your main HDD or SDD partition will be different from F: since that's the drive letter for your optical drive and 2) the letter of your main HDD or SDD partition is likely to be C:
My apologies for the typo.
My apologies for the typo.