The water damage can happen even if the phone is not submerged in water. When the phone is exposed to liquid, it can actually short circuit the components and cause irreparable damage.
Flash Fix Mobile offers a variety of repair services for mobile phones. They have technicians who specialize in repairing any kind of damage on mobile phones such as screen repair and water damage repair
A highly recommended service they provide is the replacement of all damaged parts that have been malfunctioned due to exposure to water or other liquids.