Spilt water on iphone 4 screen now phone won't turn on?

Spilt water on iphone 4 screen now phone won't turn on?

Added (1). Water Spilt no where else what could be messed up inside?

Its possible that the LCD was damaged. If this is the case, then you would only need to replace the LCD/Digtizer assembly.

However, it is also possible that the Logic board was damaged. In this case, then it would best to get a new phone. Hope you have a recent backup of it.