7 update software, Check software version, Update software through usb or cd-r – Philips HTS3531-F7 User Manual
Page 27: Step 1: download the latest software, Step 2: update the software

25
English
EN
S
screen saver
settings
audio
auto standby
default
disc language
HDMI audio
HDMI video
HDMI-CEC
menu language
parental rating
password
picture
power
restore
screen saver
sleep timer
subtitle language
video
setup speakers
manually
sleep timer
slideshows
musical
picture
software
check current version
update
sound
predefined sound mode
surround sound
synchronize picture and sound
troubleshooting
speakers
connect
manual setup
position
setup
specifications
surround sound
subtitle
character set
language
subwoofer
specifications
synchronize picture and sound
T
time search
titles
trademarks
troubleshooting
connection
main unit
picture
play
sound
U
update software
check current version
update
USB
format
USB storage device
options
play
specifications
V
video
picture settings
synchronize picture and sound
VOD code for DivX
video formats
video options
VOD code for DivX