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The indicator light (usually red/blue) will start blinking rapidly. during this process.
Format a USB flash drive (8GB or less) to FAT32 . Download 3663LUA A81 1366x768 Firmware USB rar
Move the .bin file to the root directory of the USB (don't put it in a folder). Power Off: Unplug the TV from the power outlet. Insert USB: Plug the drive into the TV’s USB port. Update: Plug the TV back in. The indicator light (usually red/blue) will start blinking
🚨 Installing incorrect firmware can permanently damage (brick) your TV. Ensure your screen panel voltage and resolution (1366x768) match the file specifications. 💾 Firmware Specifications Chassis/Board: 3663LUA A81 (T.S3663LUA.A81) Resolution: 1366 x 768 Interface: USB Update Format: .rar (Requires extraction to .bin) Features: DVB-T2, Digital TV Support 🛠️ How to Install via USB Download 3663LUA A81 1366x768 Firmware USB rar