Face ID not working after water exposure

Question

iPhone X

2017年11月4日発売。モデルA1865、A1901。GSMまたはCDMA／64GBまたは256GB／シルバーまたはスペースグレイ。(発音は「iPhone 10」と同じ)。

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ishmam.bari @ishmambari

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投稿日: 2018年6月28日

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Face ID not working after water exposure

I waded into some water (depth maybe 30cm above iPhone level), incorrectly assuming my phone would be fine. The phone shut off, and I just let it sit and dry out for the next few days. After turning it back on, the phone got very hot so I turned it off again.

After a week, it no longer got hot but got an occasional green vertical line. Again, phone off, and after half a week no more issues.

All functions of the phone now work, but FaceID does not work anymore. I took it to the Apple store, and whilst they said that all it would take would be to reseat the camera unit (or something along those lines), they would not work on it due to evidence of water damage.

Any insight or advice would be appreciated, if its an easy fix id like to get in there and sort it out! After all, FaceID is half the reason I love the new phone.

Cheers

Ish

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I know this was posted a while ago but did you resolve the problem or no

hurani さんによる2019年4月16日

i have exact the same issue. A the beginning the iPhone shot off and on automatically, so I forced shot off. After a day I turns on and get hot when I try to use it. Camera lenses at the front and back get dusty. 3D Touch working even with soft touch. After a few days with simcard out and try to dry with hairdryer on low temperature the lenses are clean and 3D Touch is working again normal. The only one not working is Face ID. At the beginning FaceTime did not work, now its back again. I hope Face ID will work again after a while.. someone had in this experience?

condormann さんによる2019年7月14日

@condormann @jayeff Answer below explains in details what happened inside your iPhone and steps you should take if you want to have a reasonable chance to continue using it. What normally happens to water damages devices that have not been properly decontaminated is that they last a few weeks or months at best.

arbaman さんによる2019年7月14日

I’m having the same issue I just bought it and I tried checking the water prove and I only left it for 5sec and the next thing my Face ID stop working doesn’t recognize my face, what can I do to this anyone please

Lisa さんによる2020年2月9日

i have the same problem , water damage just happened

face id and portrait front camera doesn’t work , i think the dot light is not working , what should i do?

tawfeq_1995 さんによる2020年6月19日

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jayeff @jayeff

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投稿日: 2018年6月28日

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Hi,

Water and electronics and electricity are not a good mix.

The impurities in the water causes corrosion and provides circuit paths for the electricity which were not in the phone's operating design and could damage the components.

First do not turn on your phone and then remove the battery as soon as possible from the phone to minimize further damage.

Then you need to dis-assemble the rest of the phone and clean all the affected parts using Isopropyl Alcohol 99%+ (available from electronic parts stores) to remove all traces of corrosion and water. Do not use "rubbing alcohol" as in some cases this is <70% IPA, can contain scents and is not as effective. If you do check the label to verify the amount

Here is a link that describes the process.

Electronics Water Damage

As always with electronics, especially surface mounted PCBs be gentle when handling and especially when brushing away the corrosion. You do not want to remove any components from the board.

Hopefully after you have done all this the phone might possibly work correctly again.

Here is a link to the ifixit iPhone X guides, which may be of some help.

If this process seems too daunting, take your phone to a reputable, professional phone repair service, experienced in water damage repair and ask for a quote for a repair.

If you decide to do this, do it sooner than later.

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is it ok for me to place the Face ID sensor in Isopropyl Alcohol?

Joshua Wesley さんによる2019年8月6日

Hi ,

It may be prudent to gently and thoroughly clean the sensor with a Q-Tip moistened with Isopropyl Alcohol rather than just dunking it in it.

I'm assuming that you have disconnected the sensor.

jayeff さんによる2019年8月6日

Did already disabled true depth cam work again after iso propyl clean up?? Im hesitant to open up my xs

JuYoung Park さんによる2019年10月5日

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I know this was posted a while ago but did you resolve the problem or no — hurani
i have exact the same issue. A the beginning the iPhone shot off and on automatically, so I forced shot off. After a day I turns on and get hot when I try to use it. Camera lenses at the front and back get dusty. 3D Touch working even with soft touch. After a few days with simcard out and try to dry with hairdryer on low temperature the lenses are clean and 3D Touch is working again normal. The only one not working is Face ID. At the beginning FaceTime did not work, now its back again. I hope Face ID will work again after a while.. someone had in this experience? — condormann
@condormann @jayeff Answer below explains in details what happened inside your iPhone and steps you should take if you want to have a reasonable chance to continue using it. What normally happens to water damages devices that have not been properly decontaminated is that they last a few weeks or months at best. — arbaman
I’m having the same issue I just bought it and I tried checking the water prove and I only left it for 5sec and the next thing my Face ID stop working doesn’t recognize my face, what can I do to this anyone please — Lisa
i have the same problem , water damage just happened

face id and portrait front camera doesn’t work , i think the dot light is not working , what should i do? — tawfeq_1995
is it ok for me to place the Face ID sensor in Isopropyl Alcohol? — Joshua Wesley
Hi ,

It may be prudent to gently and thoroughly clean the sensor with a Q-Tip moistened with Isopropyl Alcohol rather than just dunking it in it.

I'm assuming that you have disconnected the sensor. — jayeff
Did already disabled true depth cam work again after iso propyl clean up?? Im hesitant to open up my xs — JuYoung Park

viona @viona 評価: 526 9 3 1 · Answer 1 · 2020-09-23T21:30:21-07:00

viona @viona

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投稿日: 2020年9月23日

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Judging by what we have learned during the teardown of Face ID, main circuits of the Face ID are exposed. Once water damaged or exposed to a relatively humid environment, there might be electricity leakage or short-circuit problem that can result in Face ID failure.

修理後にFace IDが動作しない理由

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jayeff @jayeff 評価: 448.9千 11 366 1.4千 · Answer 2 · 2021-07-04T21:21:33-07:00

jayeff @jayeff

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@Isak Helland Wahl

See the Chosen Solution above.

Using rice to fix water problems in electronic devices is a myth. It doesn’t fix the problems of corrosion caused by the impurities in the water coming into contact with the metals in a phone, especially when there is also power on the motherboard. Rice is for dinner, not repair

There is always power at certain points on the board even when the phone is turned off. The power button is not a power isolating button. Its function is to signal the OS what to do. Think of the phone as being in an extremely low power state when off, rather than being disconnected from any power

Here’s the Ifixit iPhone XS Max guide that may help

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I cannot believe the amount of people who think their phones are waterproof 😂.

[deleted] さんによる2022年9月11日

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