: This board is typically found in the Thomson 40FE5606 and TCL L40S60A .
Usually, yes, but unsupported. Some devices have anti-rollback protection (e-fuses). Check the hardware datasheet. Downgrading may void your warranty. tpdrt2841pb772 firmware 2021
Based on typical industrial firmware release notes for such part numbers, here is the likely changelog for : : This board is typically found in the