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Copy only the extracted file (do not put it in a folder) onto the root directory of your FAT32 formatted USB drive. Update the TV: Turn off the TV. Insert the USB drive into the TV's USB port.
After installing the new software and configuring your system, use a tool like dd or Win32 Disk Imager to create a full backup of the device’s flash memory. Store this on a network drive. tpmt5522pc821 software download new