Repair iPhone 13 Pro Max Display Caused by Washing Machine

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Accidents happen, and sometimes our devices end up in unexpected places—like a washing machine. When an iPhone 13 Pro Max is subjected to such an ordeal, it’s crucial to act quickly to prevent permanent damage. This guide will walk you through the steps to repair a water-damaged iPhone 13 Pro Max, specifically focusing on restoring the display function after the screen turned black. Whether you’re a repair technician or a DIYer, this detailed guide will help you bring your device back to life.

iPhone 13 Pro Max

Phone details

Model: iPhone 13 Pro Max

Announced: 2021, September 14

Defect Phenomenon

The iPhone 13 Pro Max was accidentally put through a washing machine cycle, leaving it unresponsive with a black screen.

Troubleshooting

1: Initial Assessment

repair iphone 13 pro max  display
  • For water-damaged devices, the first step is to disassemble the phone and remove any residual water or moisture.
  • After separating the components, watermarks were visible. Begin by protecting the cameras with stickers to prevent further damage.

2: Cleaning the Internal Components

  • Remove the screws and disassemble the phone to thoroughly clean the inside, ensuring all water is removed.
  • Once the motherboard is removed, inspect it for any cosmetic damage. The motherboard appeared fine.
  • After cleaning and drying the motherboard, connect it to a DC power supply to check the boot process. The boot current was normal.

3: Testing the Screen

  • Reattach the original screen to test it, but while the phone booted, there was still no display.
  • This indicated a display issue, potentially due to screen damage or a problem with the display circuit.

Repair Process

1: Screen Replacement Testing

iphone 13 pro max screen replacement
  • Replace the original screen with a known good screen to test if the issue lies with the display.
  • The phone displayed normally with the replacement screen, confirming that the issue was with the original screen.

2: Inspecting the Original Screen

  • To save costs for the customer, inspect the original screen under a microscope. The screen’s display flex cable connector showed signs of corrosion.
  • The connector on the motherboard also had some slight corrosion, though less pronounced.

3: Repairing the Corroded Connectors

  • To ensure long-term stability of the display, clean the motherboard and apply tin paste to the corroded pins.
  • For the screen flex cable pins, carefully scrape off the corrosive electrolyte, then apply tin paste and solder the pins using a soldering iron and flux.

4: Reassembly and Testing

iPhone 13 Pro max repair
  • After repairing the connectors, reassemble the screen and test the display. The display function returned to normal, indicating that the issue was resolved.
  • After testing the rest of the phone’s functions, including the cameras, Baseband, and Wi-Fi, everything worked fine—except for the Face ID, which failed.

Conclusion

While a washing machine accident can seem catastrophic, many of the iPhone 13 Pro Max’s functions can be restored with the right techniques and careful attention to detail. In this case, the display issue was resolved by repairing the corroded screen flex cable and connector. However, the Face ID function failed and requires further repair. For anyone looking to repair their iPhone after water damage, this guide provides a comprehensive approach to restoring functionality.

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REWA Academy

As an enthusiastic educator and expert in mobile technology, REWA Academy has dedicated its career to empowering individuals through technical education. With a keen focus on cellphone repairs, they have developed comprehensive online and offline courses at REWA Academy. Their expertise spans a wide array of areas, including iPhone repair training, phone hardware, software, and advanced troubleshooting techniques. Through their writings, they aim to demystify mobile technology complexities, making it accessible and understandable for both novices and professionals in the field.

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