if i understand it right the LG LG BP50NB40 can make be UHD-friendly by flashing BP60NB10 firmware.
But: How i did this?
- Flash HL-DT-ST-BD-RE_BP50NB40-NB50-1.03-NM00800-212005070917.bin
- Downgrade to HL-DT-ST-BD-RE_BP50NB40-NB50-1.02-NM00700-211811011016.bin
- Flash HL-DT-ST-BD-RE_BP60NB10-1.02-NM00800-212005070935.bin