www.makemkv.com

I don't think the problem is with the tool but with the firmware.
This thread is about patching the Buffalo drive that has BU13 (not BU12).
I am using sdftool with HL-DT-ST-BD-RE_BU40N-BU12-OM01001-211902230922.bin (and I tried others too).
It fails whether I check the encryption or not.

https ...

Do't use the old ASUS flasher. Use the SDFtool Flasher (with "enc").


Thanks for advice!
Successfully downgraded!!

step.
1.Get SDFtool Flasher v1.2.0 *The latest version, v1.2.2, does not have the "enc?" option, so 1.2.0 must be used.
https://forum.makemkv.com/forum/download/file.php?id ...

I don't think the problem is with the tool but with the firmware.
This thread is about patching the Buffalo drive that has BU13 (not BU12).
I am using sdftool with HL-DT-ST-BD-RE_BU40N-BU12-OM01001-211902230922.bin (and I tried others too).
It fails whether I check the encryption or not.

https://i ...

Flash to BU40N 1.03mk as the guide says with enc

Thanks for posting!

I tried Flashing "BU40N 1.03mk", but the same error occurred.
"Updating failure #5"


Did you figure out how to patch it?
I also have a BRUHD-PU3-BK13 with the BU13 firmware.
I tried the 'ASUS_ODD_FW_Changer_(Modified).exe ...