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iPhone Water Damage Repair – Ultrasonic Applied
Aug 16th, 2017

So we all know that iPhones aren’t officially waterproof, which means iPhone water damage issue can be a real common problem for repair shops. Once got iPhone water damage, the problem may be that the iPhone won’t turn on, or begins to behave in an unusual way. How to fix the iPhone water damage issue and get the iPhone working properly again?

iPhone Water Damage Repair - Ultrasonic Applied

This time REWA LAB presents a new repair with ultrasonic cleaner that 80% of repair shops have never used in their work. Take a look by yourself and you shall be amazingly surprised!

iPhone Water Damage Repair With Ultrasonic Cleaner

iPhone 6s got water damaged. Try to start it up, the phone can not boot normally.

iPhone Water Damage Repair - Ultrasonic Applied

Take apart the phone and connect the phone with DC power supply, we can see that the logic board comes with heavy current.

iPhone Water Damage Repair - Ultrasonic Applied

Take out the logic board. We can see with naked eyes that the logic board is mouldy. Let’s run cleaning with PCB cleaner at the beginning.

iPhone Water Damage Repair - Ultrasonic Applied

Tear off the shield sticker and remove the CPU shield plate with hot air gun.

iPhone Water Damage Repair - Ultrasonic Applied

Since welded junctions of baseband shield plate come with high  melting point that can not be removed by hot air gun easily. Remove the baseband shield plate with cutting nipper.

iPhone Water Damage Repair - Ultrasonic Applied

We can see it clearly that areas under the shield plate are also water damaged. In this case, brushes are helpless for thoroughly cleaning. So continue the cleaning process with ultrasonic cleaner.

iPhone Water Damage Repair - Ultrasonic Applied

Pour adequate PCB cleaner into the ultrasonic cleaner and put the logic board in. Power on and get the lid on.

 iPhone Water Damage Repair – Ultrasonic Applied

Five minutes later, switch off the power supply and take out the logic board. After that, Leave to rest for 5 minutes.

 iPhone Water Damage Repair – Ultrasonic Applied

Check cleaning effect with naked eyes. Then check with microscope again. The logic board looks great after the ultrasonic cleaner process.

iPhone Water Damage Repair - Ultrasonic Applied

Water damage also caused corrosion of rear camera connector. So we have to replace it with a new one.

iPhone Water Damage Repair - Ultrasonic Applied

Apply some BGA paste flux and take down the damaged connector with hot air gun. After that, clean with PCB cleaner and apply some BGA paste flux again. Then solder the tins with soldering iron. Once finished, clean with PCB cleaner. Again we apply some BGA paste flux, align and install a new connector and then clean with PCB cleaner for the best effect.

iPhone Water Damage Repair - Ultrasonic Applied

Once rear camera connector replacing finished, connect the phone with DC power supply and boot with startup signal triggered by tweezer. Booting current displays normally.

iPhone Water Damage Repair - Ultrasonic Applied

Assemble the phone. Connect with the original screen and power on, the phone go with no display.

iPhone Water Damage Repair - Ultrasonic Applied

Replace with a new screen and power up again. iPhone boots and works normally.

iPhone Water Damage Repair - Ultrasonic Applied

For more details on iPhone Water Damage Repair With Ultrasonic Cleaner guide, please go to REWA YouTube channel.

Tools Used

Maintenance Platform

Screw Drivers

Tweezers (ESD–10 / ESD–15)

Anti-static Wrist Strap

LCD Opening Pliers (M)

Cutting Nipper

Electron Microscope

DC Power Supply

Ultrasonic Cleaner

Soldering Iron

Hot Air Gun

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