How do I update software on Samsung Tocco?

Last few days my screen has been freezing and not responding, Rang o2 and they said I need to go onto the Samsung website to download software update. I have looked but don't know what I'm meant to do?How do I update software on Samsung Tocco?This might work...

http://www.mygreatphone.com/forum/samsun鈥?/a>

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