Download Ldd M3663 A48 Sigma S32dn7 Backup Dump Rar -

Plug the TV into power. The indicator light (standby LED) should start flashing rapidly, indicating the update is in progress.

If the TV doesn't recognize the file, try a different USB drive or rename the firmware file to allupgrade_ms3663_sos.bin (common for M3663 boards). Download LDD M3663 A48 Sigma S32DN7 Backup Dump rar

Plug the prepared USB drive into the TV's USB port. Initiate Update: Plug the TV into power

Place the .bin file in the root directory (not inside any folder) of your USB drive. 3. Flashing Guide (Step-by-Step) Power Off: Unplug the TV from the wall. Download LDD M3663 A48 Sigma S32DN7 Backup Dump rar