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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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iPhone 6 won't update

hi, my iphone 6 fell in water for like 10 seconds. it has water damage. i brought it to get it fixed but now it won’t update to IOS 12.1.4

I can’t receive any calls or any messages. my phone doesn’t read my Sim Card. I had tried it many times to update manually, but it say’s that i’m not connected to internet. i am the only one using wifi so i’m really confused.

any thoughts??

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It’s sounds like the damage caused by the water was not fully resolved.

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

Not every water-damaged phone is recoverable and depending on the kind of liquid (salty, dirty, filthy), sometimes the success rate is quite low. That said, IMHO, it's always worth a try otherwise we are just piling up the e-waste.

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.

The proper way treat a wet phone is to do the following:

  • 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 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 data/no fee policy so you don't have to spend money to find out if the data is recoverable or not.

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I would agree that there’s probably still liquid damage, especially regarding your SIM card issue. The failure to update could possibly be unrelated though. You should try updating with iTunes rather than OTA, sometimes that works when nothing else will. If it doesn’t work normally in iTunes try it in recovery mode or in DFU mode. The updating could still just be a software issue.

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its probably damage to the modem, either from the water or physically damaged (iphone 6 bends near sim tray)

Do you have imei number when dialing *#06#

Do you have modem firmware under settings

if either of these are missing updating will essentially brick the phone, you’ll get stuck on an activation screen.

I suggest taking it to an experienced shop for repair.

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