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这款4.7英寸iPhone于2014年9月19日发布,是iPhone 6 Plus的缩小版。

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Water damage now only the original screen will work!?

hi i have an iphone 6 that has been in clear water. It has dried out fine but there was a slight water mark on the screen. Customer requested screen change, but only the original one will work fully. i have tried about 5 other screens and all of them have a non functioning touch screen when fitted onto this phone except for the original one with the water mark?!? Some screens i tried were original, some were aftermarket. Anyone have any ideas why?

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Probably because the board needs to be clean properly of any corrosion or liquid damage.

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This is a belated answer so hopefully it can be of use to folks who search for and find this question.

It's odd that the original screen would work and not replacement screens. That said, the first thing you have to do with a water damaged device is properly decontaminate it.

  • Open your phone and remove the logic board (follow this guide)
  • Inspect the logic board, especially around the connectors and look for corrosion.
  • Inspect both sides of the board. Unfortunately, most of the board is covered in shields. That's usually where the damage is occurring.
  • Put your board in a container with >90% isopropyl alcohol and let it sit for a while.
  • Use a soft brush, like a toothbrush and lightly brush away any corrosion you see.
  • Rinse in alcohol and repeat.
  • Let it air dry for a day.
  • Re-assemble and hope for the best.

You should also replace the battery if it has swollen. Resist the temptation to pop it to let the gas out. A compromised Li-ion battery is a fire hazard. If the device appears to power up but behaves erratically, then use a tool like 3uTools to flash the firmware as it may be corrupted.

A professional repair shop that does water damage repair may be able to recover your phone or the data because they have access to pro-level ultrasonic baths and specialized cleaners as well as the skills to troubleshoot your board. Many shops have a no fix/no fee policy so you don't have to spend money to find out if the phone is fixable or not.

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