Would it be ok to upgrade my iphone 3gs ios to the latest os?

Ios 6? Is it even possible? It won't slow it down would it?

Added (1). Would i lose any data if i restore? Like my music, notes, contacts, and stuff?

Added (2). It's ok if i don't get a jailbreak as long as i don't lose any of my data like music, photos, etc.

It might be possible if you sync it and try it if it does work and slows it down you can just restore it

You should back it up first just in case. And also you will still lose your music whether you back it up.

Mine have no problem.

Yeah it is possible but you won't get a jailbeak for it

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