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Old Nov 6, 2012, 08:59 PM   #1
Erock2
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iPhone 5 Backlight Dimming

Is anyone having problems with their iPhone 5 dimming all the down randomly? It's usually when I wake the phone that it does this, I have auto brightness turned off and brightness at 100% but randomly it'll go down to 0%. I'm wondering if it's software related (Which is my first guess) or hardware related.
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Old Nov 6, 2012, 09:03 PM   #2
It'sMyPrecious
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I noticed that too! I was in the car this morning when suddenly the screen became so dim that I couldn't see anything. I then checked my settings and noticed that brightness had been turned to the minimum. I think it happened a few times while I was walking outside too.

Oh, you had auto brightness turned off. I had it turned on. But even if the auto-brightness is turned on, the screen shouldn't go dim suddenly. It's not like I suddenly walked into a pitch black closet.
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Old Nov 6, 2012, 09:05 PM   #3
Erock2
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Originally Posted by It'sMyPrecious View Post
I noticed that too! I was in the car this morning when suddenly the screen became so dim that I couldn't see anything. I then checked my settings and noticed that brightness had been turned to the minimum. I think it happened a few times while I was walking outside too.

Oh, you had auto brightness turned off. I had it turned on. But even if the auto-brightness is turned on, the screen shouldn't go dim suddenly. It's not like I suddenly walked into a pitch black closet.
Should have clarified a little more, the brightness bar was still at 100% ! I just tap the back and the light will come back on and it'll be good then later it'll do it again, it's starting to get really frustrating.
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Old Nov 6, 2012, 09:21 PM   #4
kingdLo
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Do you mean the back light dims after sitting for a little with the screen on? If so, that's completely normal.
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Old Nov 6, 2012, 09:31 PM   #5
Erock2
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Do you mean the back light dims after sitting for a little with the screen on? If so, that's completely normal.
No, like when I wake the phone (Pushing the top button) it'll sometimes dim to lowest brightness.
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Old Nov 6, 2012, 09:31 PM   #6
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I wonder if the OP is referring to the Auto Lock setting in the General settings?
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Old Nov 6, 2012, 09:38 PM   #7
Erock2
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Originally Posted by erratikmind View Post
I wonder if the OP is referring to the Auto Lock setting in the General settings?
Noooo, let's say i'm not using my phone for 10 minutes it's locked and the screen is completely dark. I go to wake the phone and turn the screen on and sometimes it'll blink and the brightness will dim to 0% I always have it at 100%, if I go to the brightness settings, It still shows i'm at 100% but my actual brightness is 0% I have to actually tap the brightness bar for my brightness to come back to "normal"

To clarify, I work for a Verizon Premium Retailer, I have had many different iPhones/Android Phones/Windows Phones/Blackberries I am not a novice to phones.
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Old Nov 6, 2012, 11:54 PM   #8
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I know what you're talking about. Usually a quick power off/on fixes this.
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Old Nov 7, 2012, 12:02 AM   #9
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That happens to me too I just adjust the brightness and the backlight comes back on
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Old Nov 7, 2012, 12:25 AM   #10
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Hope it's not a glitch in the new software update, just happened to me today for the first time. Anyone else?

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Old Nov 7, 2012, 12:33 AM   #11
scotigno
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Same thing happened to me yesterday. It all started when i used siri.
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Old Nov 7, 2012, 12:40 AM   #12
transam7816
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I had something like this happen to me. Picked up my phone and pressed power button to "wake" it up and no unlock bar came up, nor the time. The screen dimmed and it was unresponsive after that. I had to restart the phone.
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Old Nov 7, 2012, 02:26 AM   #13
simsjackop
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I just adjust the brightness and the backlight comes back on
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Old Nov 7, 2012, 02:27 AM   #14
Davejprince
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I've also experience this with my 4s, It's a bug in iOS 6.
And pretty annoying.
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Old Nov 7, 2012, 05:37 AM   #15
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Same thing with my ipad 3 running on IOS 6.0.1
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Old Nov 7, 2012, 10:24 AM   #16
mattroman246
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I feel like mine never dims..
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Old Nov 7, 2012, 12:22 PM   #17
Leonard1818
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This has happened to me a handful of times.

I wake the phone using either the home or sleep/wake button and it comes on and is really really dim. I think it dims after I swipe to unlock but I don't remember. Either way, I simply put it back to sleep using the sleep/wake and then waking it back up and it's fine. Doesn't bother me, don't care.
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Old Nov 7, 2012, 12:31 PM   #18
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Quote:
Originally Posted by Erock2 View Post
Is anyone having problems with their iPhone 5 dimming all the down randomly? It's usually when I wake the phone that it does this, I have auto brightness turned off and brightness at 100% but randomly it'll go down to 0%. I'm wondering if it's software related (Which is my first guess) or hardware related.
Happened on my iPad and iPhone 5. I'm pretty sure it's a glitch with iOS 6.
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Old Nov 7, 2012, 02:45 PM   #19
mac.fanatic
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Quote:
Originally Posted by kingdLo View Post
Do you mean the back light dims after sitting for a little with the screen on? If so, that's completely normal.
When this happens to me and I press the home button (if I am in an app) it doesn't exit the app. It just makes the screen brighter again. Then I have to press the home button again to take me to the home screen. Is this normal?
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Old Nov 10, 2012, 06:41 PM   #20
Jacoblee23
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I have experienced this as well. I hope that it is just a bug.
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Old Nov 13, 2012, 12:19 PM   #21
SoApple
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Same problem here.
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Old Nov 13, 2012, 01:50 PM   #22
nepalisherpa
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I have this issue as well where the backlight will dim all of a sudden. The only way to bring it back to normal is a quick on/off button press.
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Old Jan 7, 2013, 07:08 AM   #23
Sammyb1979
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Quote:
Originally Posted by Erock2 View Post
Is anyone having problems with their iPhone 5 dimming all the down randomly? It's usually when I wake the phone that it does this, I have auto brightness turned off and brightness at 100% but randomly it'll go down to 0%. I'm wondering if it's software related (Which is my first guess) or hardware related.
Yes yes yes. This has happened at least 3 times so far but I can be sure how it happened but it DEFINATETELY was not a normal feature.

What u doing about it??
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Old Jan 7, 2013, 11:35 AM   #24
mpayne2k
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I noticed this same phenomenon this weekend. Turned the screen on and it was very dim. Went into the brightness setting and it was still set at 40% which is where I keep my setting and Auto-brightness was off. I touched the slider and it instantly went back to my setting and exited the settings. This is not the first time I've noticed this happen.
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Old Jan 7, 2013, 11:55 AM   #25
barkomatic
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This happened to me recently as well. Must be a software glitch.
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