Insert the USB stick into a USB port on the TV (preferably USB 1).
Format a USB stick as FAT32 (not NTFS or exFAT). How to Hard Reset PHILIPS 32PFT5500 12
Copy the firmware file (usually named autorun.upg or similar) to the root of the USB drive. Insert the USB stick into a USB port
Scroll to the bottom and select Reinstall TV or Factory settings (wording may vary slightly by firmware version). Scroll to the bottom and select Reinstall TV
The TV will now perform a factory reset. Do not turn it off. After 2–5 minutes, it will restart and show the first-time setup screen. Alternative button location: If your TV has separate physical buttons (power, volume, channel), try holding Volume Down + Channel Up simultaneously while plugging in the power. Method 3: Forced Reset via USB (If Both Above Fail) Only needed if the TV is completely bricked (black screen, no response).
Download the correct firmware for 32PFT5500/12 from the official Philips support website (search for your exact model).