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: Copy the 40b7500_715g6686_moa_001_004k.bin file directly to the root of the USB drive. Do not put it in a folder. Installation : Unplug the TV from the power outlet. Insert the USB drive into the TV's USB port.

Finding and installing the correct firmware is crucial for reviving a TV that is stuck on a logo or experiencing boot loops. How to Use the Firmware File Download 40b7500 715g6686 moa 001 004k BIN

: Once the update reaches 100%, the TV usually restarts. Remove the USB drive immediately so it doesn't try to update again. Safety Tips Guide to Firmware Update | Lenovo US : Copy the 40b7500_715g6686_moa_001_004k

What happens if a firmware update fails? If a firmware update fails, your device may become unresponsive or stop working entirely. Best Practices for Applying Firmware Updates - Quadbridge Insert the USB drive into the TV's USB port

Press and hold the button on the TV (not the remote) and plug the TV back in.