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DISCLAIMER : I've never owned a "true" BU40N, however I have two drives which, as far as I know, are technically BU40Ns. Feel free to disregard most of this post if you'd only like opinions from people who actually own the real thing. Hitachi-LG BP55EB40 (SVC Code EB52) - Seems to have a B...

You're welcome ! Also, yes, the sidegrade is pretty much necessary. If you choose to keep the 1.03MK for Windows, I've heard it might make things somewhat easier when it comes to some hard-to-read discs compared to the 1.00 firmware... Although personally I found the BRXL-PUS6U3B to be the best opti...

Revision: BN14 From this post the LG_BU40N_1.03_MK should work. But, I'm curious how anybody would know for sure. There are no firmware files that have an obviously matching filename. Look at the list of encrypted firmwares from the flashing guide : "HL-DT-ST-BD-RE_BU40N-BN14" That's prob...