Philips 32PFL9604H - Manual (Page 186)

4.5.2 With a USB memory device 1/3
In some cases, it might be necessary to update the TV
software. Start the software update on the TV. Then,
download the TV software from the Internet onto your PC.
Use a USB memory device to upload the software from
your PC to the TV.
Preparation
You need a PC with a high speed Internet connection. You
will need a USB memory device with 256 Mb free space
and make sure that the write protection is switched off.
Some USB memory devices might not work with the TV.
...