QUOTE(TheLaptopDudeGuy @ Apr 26 2012, 08:27 PM)
I had no idea too, used my phone naked for a few months, never noticed till one day i looked at the back of my phone
i always take good care of my phone, whenever its on a table, i always place in on a cloth to prevent scratches on camera lens and i never dropped any liquids on back plate before 
Sweat and dirt from your hands cause this rust. Especially when you hold your phone for browsing, gaming... Thus, it causing oxidation of your samsung logo and turn it into rust. Probably the coating has wore off since you using your phone naked that time.This post has been edited by droid13579: Apr 26 2012, 08:56 PM
Apr 26 2012, 08:54 PM

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