There are numerous civilized ways one can open, or disassemble Nokia 3310. But then again, there are numerous barbaric ways you can see the internals of iconic super hard mobile phone. Check out one more destruction video of the Nokia 3310, but this time cut with a disk made of paper.
I knew that you can get a paper cut, and it can be rather tricky, but evidently you can cut a lot of things with paper spinning fast :). Nokia 3310 is a hard nut!
Check this YouTube account to find what else you can cut with paper disk :).