Since this is specialized TV firmware, it is usually hosted on technician forums or firmware databases.
Do not turn off the power during the update, as this can permanently "brick" your TV. Descargar P75 2841V6 1920x1080 DREAMSAT DS40S1 part01 rar
While holding the button, plug the TV back into the power outlet. Since this is specialized TV firmware, it is
Right-click part01.rar and select using a tool like WinRAR or 7-Zip . Since this is specialized TV firmware
on the TV cabinet (not the remote).
The extraction should result in a single file, usually named allupgrade_2841_nosig.bin or something similar.
Use a USB 2.0 drive (8GB or less is best). Format it to FAT32 .