In a container, form a paste with dawn and baking soda. Mix two parts baking soda and one part water in a bowl. Best Way To Clean A Clear Phone Case That Turned Yellow With Baking Soda Clear Phone Case Phone Cases Case Stir until it forms a thick paste. How to clean phone case using baking soda . Clean rust from metal using baking soda with help from a mainten. Start with laundry soap or dish soap or powdered dishwasher soap. Then, if that is not good enough, use a toothbrush with the soap. To use this method, first, remove your phone case, then clean your screen and combine two parts baking soda and one part water in a mixing bowl and stir it until a thick paste is formed. First of all we're using a commercial gr. As surprising and random as it may sound, using a mixture of baking soda and water to remove scratches from your phone or screen can actually work. If the dirt has still not been removed, mix some baking soda with water to make a paste. Wipe away on...