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MartyMcNuts wrote: Fri Jan 16, 2026 1:36 am

BubbleStar wrote: Fri Jan 16, 2026 1:17 am do i have to decrypt the firmware first or can i install the bu40n firmware directly?

No, BU40N 1.03-MK replaces the encrypted firmware.

Worked like a charm. Thanks
(tho i have to plug in both usbs for it to read uhd disc lol)

Billycar11 wrote: Fri Jan 16, 2026 12:49 am see guide below or email me or marty for an auto flasher
its a bu40n with encrypted fw if your using the guide

do i have to decrypt the firmware first or can i install the bu40n firmware directly?

I got this here drive and i want to make it read UHD discs. What firmware should i flash it to?

Drive Information
OS device name: J:
Manufacturer: BUFFALO
Product: Optical Drive
Revision: BN14
Serial number: MODM59H0850
Firmware date: 2121-06-21 13:33
Bus encryption flags: 1F
Highest AACS version ...