You might be wondering: If my TV is connected to the internet, why bother with a USB drive?
Upon completion, the TV reboots. The user should then remove the USB drive and perform a factory reset from the settings menu to clear old cache data, ensuring the new firmware runs on a clean slate.
Use a drive with at least 1GB of free space. It must be formatted to FAT32 or FAT16 (NTFS or exFAT may not be recognized).
Updating your Panasonic TV firmware can:
Press [Menu] on your remote, navigate to Setup , and select System Information or Version Info . Note the software version (e.g., 1.200) to compare it with the latest version online. 2. Download the Firmware File