system update on rooted s2 will I lose root?

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http://forum.xda-developers.com – I have a rooted s2 which I just rooted the other day, but now I'm getting an alert For an update. I don't wanna lose root. is there anyway to block it? or update it and not lose root? thanks in advance :) Sent from my SPH-D710 using xda premium (HowTos)