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Konten wrote: Thu Feb 19, 2026 8:21 am

MartyMcNuts wrote: Tue Feb 17, 2026 9:47 pm

Konten wrote: Tue Feb 17, 2026 4:09 pm Thanks so much for these, Marty!! It's really appreciated!!

Will the BP50NB40 1.03 firmware work for a BP55EB40 SVC: EB52 as well?

These original flashers only work for that particular model, so no.

Thanks, Marty!! If you ever happen to come into possession of the original BP55 firmware, please do post it…

I don't think LG ever released a flasher tool for BP55EB40 SVC NB52. I've only ever seen the original BP55EB40 NB40 1.01 firmware flasher which won't work.

The easiest way would be to just flash the drive with the BP55EB40 NB50 1.03-MK firmware. That's the closest you'll ever get to the original firmware.

I don't think LG ever released a flasher tool for BP55EB40 SVC NB52.

Despite combing the web for it, I was never able to find one.

Also, here's the BU40N CB05 firmware I posted in another thread (official LG Updater exe) :

https://mega.nz/file/W7QUTYrA#O1kfVyabL ... jC9ULfSWl4