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Repair information and guides for the iPhone 6S released by Apple on September 25, 2015. Models: A1688, A1633

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iPhone 6s turns itself on?

My iphone 6s had some slight water damage a few weeks ago, and for the next 2 days the home button was giving me a lot of problems. My phone will be sleeping (the black screen) and without touching it or any movement whatsoever it wakes itself up, and sometimes will take itself to the "type your password" screen. The home button also wouldn't work at all, so I had to wait until I had a notification on my home screen to turn on my phone and go into that app. 2 days after the water damage though, everything seemed to fix itself and all of the problems went away.

This was 3 weeks ago. Then yesterday, after 3 weeks of working perfectly well, I noticed my phone started waking itself up without me touching it or pushing the home button. It just wakes itself up over and over again. It's been draining my battery significantly! The home button also stopped working half of the time - though half of the time when I push it, it does take me home. Do you think these are problems having a new home button would fix? or will I need a new phone? also how likely do you think it is that these problems will get worse? Thanks so much!

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With water damage, you have to decontaminate the logic board before doing anything else, otherwise there will be latent issues down the road.

The water is inside the phone, on the logic board and under the shields, even under the IC's. The real problem is the mineral deposits that can cause short circuits or the corrosion that is taking place as the water evaporates. Leaving the power on the device accelerates the process. The longer you let a phone sit, the more time you are giving corrosion to damage your logic board. The saltier or harder the water is, the more damage will occur. The water needs to be displaced, not evaporated.

  • 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 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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