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Procedure for water damage treatment:

When a customer sends us a phone, it goes through multiple treatments to remove any oxidation that has formed. This treatment not only repairs minor problems like buttons not responding, dropping calls, low reception, etc. but also protects the board from environmental oxidation. Here is what we do:

1. The phone is completely disassembled and the microphone and keypad are removed from the main board. We then remove the LCD to inspect it for any liquid damage on the LCD board which could later cause a power failure. If any damage is noted, since the LCD cant go in the ultrasonic machine it is hand cleaned with a 10% cleaning solution that removes oxidation. Depending on the amount of damage, we may or may not put the flex cable into the ultrasonic machine.
   
   
2. The main board is put into an ultrasonic machine which is filled with isopropyl alcohol. The machine has a built in heater, which also helps break up debris. It is ran for about 30 minutes. 45 minutes or so for boards with lots of oxidation.
   
   HOW THE ULTRASONIC MACHINE WORKS- an ultrasonic machine works by using sound waves, it sends pulsing waves through the liquid (the liquid is a 10% concentrated solutuon- its like an oil based solution). Heat is also used (the machine has a bult in heater) to help loosen any debris (when you clean something in the sink- hot water works better then cold water- this machine uses the same basic idea- hot solution breakes up the debris much more efficiently). The sound waves push the liquid over the board, against the chips on the board where any debris (even debris under the chips) is removed. All oxidation is blasted away. Because the machine sends sound waves from one end to the other, from all directions, every chip is ensured to be clean. Toothbrush cleanings are not as effective because they can only remove larger particles which are on the surface of the chip, and since the space between the chip and the board is finer then the thickness of a hair, sound waves are the only way this debris is able to be removed. Not to mention if you have a metal plate covering any chips- a tooth brush surley wont reach in there.
   
   
3. The boards are removed from the machine and are dried. They are hot when they are removed, so drying is rather fast. To enduce faster drying though, the boards are heated in a heating chamber till dry. If you are cleaning the board yourself with isopropyl alcohol and and a tooth brush, you will notice as the boards dry the the chips on the board will  have a dull or even a white color to them. But basically the solution we use does two things: 1. It re hydrates the board, leaving them bright and shiney, as well as surves as a light protective coating (almost like an oil base) 2. It also dissolves any oxidation particles on the board.
   
   
4. The board is cleaned with an electric toothbrush. This leaves a "polish finish" to the chips- leaving them fully protected in a microlayer of film.
   
   
5. (*depending how bad the damage is, usually this step is not required) In extreme liquid/ corrosion damage, after the above treatments has been preformed, if any type of oxidation damage is still visible it is treated with a 100% concentrated solution. Because the solution is so strong, once it is used the board has to go through the ultrasonic machine once again (steps 3 and 4).
   
   
6. The board dries, and a final solution is applied. This last solution acts as a protective coating for future use. If the phone gets wet again, the damage will not be nearly as bad. (though it still should be serviced if it gets wet again, just the chances of reviving it are extremely higher then if it was not treated at all). This also prevents environmental damage from building up on the chips. If a new phone is treated with this solution, it should out preform a non-treated phone by as much as a year on average..
   
   
7. The phone is re-assembled, and is tested. Once its tested, we then give you a call and let you know if it was a successful repair or not.