Water damage??

ok i have an LG, and its been acting odd for the last few weeks, i brought it in to the shop where i got the hone and thier sytem crashed while i was ther,e so right now i new LG is on its way..... i am trying to find the White sticker on my phone.... the white bar on the battery is still white but if i look behind the battery there is like a cinguler logo and i am trying to figure out if that is the white sticker..... or is it just on the battery..... my phone is a flip, and the only time it could of been wet is in my pocket when i was it the rain.... or i have in the bathroom with me when i take showers incase someone calls me.... but its not been wet..... it gets condensation on it aftr i am out..... but this is a phone i have taken care of ....... sure it last my fall down many of stairs but besides my clumsy nature this phone has not been damaged..... and yeah..... so is that that the water sticker or just something on the phone???? it kinda looks like a restart button too. so idk... someone please help i am so worried its water damages now,....