LG BP50NB40 - No MT1959?

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Lewis M. Tonge
Posts: 2
Joined: Sat Jan 31, 2026 12:19 pm

LG BP50NB40 - No MT1959?

Post by Lewis M. Tonge »

Hi. My LG BP50NB40 has just arrived, and it's reading a red cross next to "MT1959 Platform:" in SDFtool

Obviously, can't read or write firmware this way. Fix?
dcoke22
Posts: 4374
Joined: Wed Jul 22, 2020 11:25 pm

Re: LG BP50NB40 - No MT1959?

Post by dcoke22 »

Can you post the info MakeMKV has for your drive?
Lewis M. Tonge
Posts: 2
Joined: Sat Jan 31, 2026 12:19 pm

Re: LG BP50NB40 - No MT1959?

Post by Lewis M. Tonge »

Drive Information
OS device name: F:
Manufacturer: LG
Product: BP50NB40
Revision: 1.00
Serial number:
Bus encryption flags: 1B
Highest AACS version: 81
blind-s33r
Posts: 28
Joined: Thu Jul 25, 2019 1:29 am

Re: LG BP50NB40 - No MT1959?

Post by blind-s33r »

If its an 1.00 revision then its is mt1939 and a bu20n internally and unable to flash. Don't try flashing it with the other flashers as it will just brick.
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