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Copy the firmware file (often named allupgrade_638_sos.bin or similar after extraction) to the root directory of the USB drive. Flashing Process: Disconnect the TV from power. Insert the USB drive into the TV's USB port.

Designed for screens ranging from 32 to 55 inches from manufacturers like Samsung, LG, and BOE. Understanding the Firmware File Copy the firmware file (often named allupgrade_638_sos

Do not turn off the TV until the process is 100% complete, or you may permanently damage the motherboard. Designed for screens ranging from 32 to 55

Professional installation is recommended as the board requires specific programming to match the resolution of your exact TV panel model. The TV should enter an "Update" mode, often

The TV should enter an "Update" mode, often indicated by a blinking status LED or an on-screen progress bar.

The default startup logo embedded in this specific version of the software.