The process is the same. The TV will likely warn you that you are installing a lower software version. Only proceed if you are sure it is the correct fix for your issue.
Use a high-quality USB 2.0 or USB 3.0 flash drive with a storage capacity of 16GB or less. Larger external hard drives or drives with multiple partitions often fail to register during a cold boot. upgrade-loader.pkg philips
Using the correct firmware file is paramount. Installing an upgrade_loader.pkg intended for a different model or platform (chassis) can permanently damage ("brick") your TV. Only download files from trusted sources. The process is the same
: Switch the drive to a different USB port. Avoid USB 3.0 ports (blue internal plastic) if your TV is an older model, as the basic bootloader might lack the necessary drivers. Use a high-quality USB 2
Once the update is finished, the TV will restart and may show the initial setup screen (language selection). Remove USB: Disconnect the USB stick. Troubleshooting: What to Do If It Doesn't Work
For Professional Hospitality TV models, use the dedicated Philips Professional TV support portal, as these devices require special PKG software.
the USB flash drive from the TV. (Failing to remove the drive will cause the TV to loop right back into the installation setup upon reboot).