The standby LED should begin flashing rapidly, indicating the update is in progress. Do not turn off the power during this time. 📺 65U7750 Key Specifications

The "part1" designation indicates this is a split archive . You must also download "part2" (and any subsequent parts) and keep them in the same folder to extract the final .bin or .pkg firmware file. 🛠 Installation Process (USB Recovery)

Matches the K650WD7 LF330 panel code. Using firmware for a different panel may cause an upside-down image or distorted colors.