Samsung Tv Firmware Hack

Hello everyone. I recently buy a Samsung monitor with TV (a hybrid one). The 24 inch monitor/TV is capable to play Full HD content (1080p) and it also support Digital and Analog TV signal.
The model is Samsung SyncMaster P2470HD. I noticed on the back of my TV/monitor, an USB port (SERVICE). I want also to enable the USB port to play multimedia content from USB stick, but i don't know what to do. I never find informations for this particulary model (i've heard it is a newer model). I entered into service menu with the clasical Samsung sequence, Power Off -> Info -> Menu -> Mute -> Power On but from here...don't know what to do. I want to make a back-up of the TV firmware but i dont know how. However, the USB port on the back, can be enabled to play multimedia content, mp3, jpg, avi (divx) or mkv's ?
Thank you and happy new year.
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Samsung Smart Tv Firmware Hack

How to check firmware version on most DVD blu Ray players: Press SETUP on the remote control. Select TV aspect. Place the cursor on 16:9 wide icon. Enter 1, 3, 9, 7, 1, 3, 9 on the remote control. Press ENTER on the remote control. Firmware version will be displayed. Press SETUP to clear. If the above DVD region hacks do not work for you, try. Samsung TV Hack – How to Hack Samsung’s Linux Firmware! Posted on October 19, 2009 by max The new Samsung LCD TVs run Linux for their firmware I guess and here’s some guy who has hacked it so the Samsung TV can do other things such as networking and file share. Hidden Secret Service Menu Codes for Sony, Samsung, LG and Philips TV - Last updated on September 23, 2007 by VG. All digital TVs contain a secret service menu/engineering mode which allows users to access advanced menus/options and to change various internal settings such as picture height, width, position, colors, blue back screen, etc.