IPhone :: 4 Is Shutting Itself Off Intermittently?

May 7, 2012

My iPhone 4 developed a problem where it shuts itself off intermittently, sometimes at night when it is unattended (and yes, the battery was fully charged). It is my 2nd iPhone 4 with this problem, and from what I see on this forum, not an uncommon problem with this device. Apparently it is a known hardware issue with some iPhone's and the refurbished units they use as replacement devices have not been expunged of this circuit board demon.

Rather than swap out my phone for a new one (or even another refurb), I was given the possible explanations:An application is crashing the OS. (I interpret this statement as IOS 5 is no further evolved than Windows 3.1 where an app can crash the entire OS)An application may be using too much memory causing the phone to shut down (Really? No OS protection or throttling to prevent this?)A 3rd party application might have had a bad update in the App Store and Apple does not review updates (Really? So if I publish an app in the store, I can then update it with miscellaneous viruses and malware? Whoo Hoo)It could be usage (Translation: using an iPhone 4 to play music, run apps and make phone calls may cause the device to fail. Sounds like a breach of Warranty for Fitness of Intended Purpose) I am not an Apple hater. I just want my phone replaced with a non-defective device. I don't appreciate the total run-around and denial of responsibility on Apple's part.

Info:
iPhone 4, iOS 5.1, Phone shuts itself off



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IPhone 5s :: Keeps Blacking Out Intermittently

Jun 4, 2014

The screen on my brand new iPhone 5S 32GB keeps blacking out intermittently. This sometimes happens I turn the phone from portrait to landscape, or sometimes when the keyboard is open and I try to type the letter ‘a’. Each blackout lasts less than a second and everything else appears to function normally, but it is impossible to use the keyboard in landscape mode sometimes as certain key presses black the screen out. 

Info:
iPhone 5s, iOS 7.1.1

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IPhone :: 3GS Intermittently Drops 3G And Displays SOS Only

Apr 20, 2012

iPhone 3GS intermittently drops 3G and displays SOS Only. A reset fixes it for a short while before it fails again.I have been having this problem for a while, and have tried many resets and restore, clearing the phone, using the phone as a 'new' iphone with no apps or user data, and it always fails the same way. Other phones in the area on the same carrier display full signal strength when this happens. Following a reset, the phone always works correctly for a period (of between 1 minute and 1 day), then fails again.I suspect I have a hardware fault.

Info:
iPhone 3GS, iOS 5.1

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IPhone 5s :: Started To Ring Intermittently

Jun 23, 2014

My iPhone 5s started to only ring intermittently after I took the latest iOS update awhile back. Same thing with texts, too. I have tried completely wiping the phone and then reload it via iCloud, but it just keeps doing the same thing.

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IPhone :: Home Button Working Intermittently On IOS 5.1

Mar 26, 2012

Just upgraded my IPhone 4 to IOS 5.1. Since then, the home button sometimes does not work. Since I've never had a problem with my phone, and no new apps were added, it looks like a software glitch to me.

Info:
iPhone 4

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IPhone :: Voice To Text Works Intermittently?

Apr 18, 2012

Since I do a lot of driving, I tend to tap the speakerphone button and voice my text message instead of taking my eyes off the road so I can type but here lately my phone cannot understand what I am saying or completely types out something I didn't even say! What is up with this? I do make sure I speak slow and clearly and it will still mess up!

Info:
iPhone 4S, iOS 5

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IPhone :: 3GS Doesn't Show Network Intermittently?

Apr 27, 2012

i have been using 3GS 16 GB. I am getting network issue. The phone intermittently does not show network. It says no network found. Pls let me know how to fix this issue. I have unlocked iphone.

Info:
iPhone 3GS, iOS 5.1

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IPhone :: Not Receiving Text Messages Intermittently

May 9, 2012

I have an iPhone 4s and never had any problems but last night my iPhone stopped receiving text messages (from other iPhone users and other phone types). I messed around with my settings and my text messages started appearing again (although I can't remember what I pressed now)! I got a few people to send test text messages and I received these but again this evening I've stopped receiving text messages again.

Info:iOS 5.1

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IPhone :: Touchscreen Stops Working Intermittently?

May 12, 2012

I have an iPhone 3gs 16gig and the I broke the screen, the digitizer worked for a while so I just kept using it with the cracks on it. after the digitizer stopped working I did a full backup and went in to a local shop and had the screen and digitizer replaced. I then came home and did a restore and that gave me ios5.1. The phone worked great for a day then the touch screen started to stop working after about 10-30 seconds of use. I cant do anything with the phone without having to lock the screen and unlock it (sometimes that works, and sometimes I have to do that a few times because the touch screen doesn't work to unlock the phone) to continue using my phone.I am thinking it is because I upgraded to ios5.1, or is it a bad digitizer?

Info:
iPhone 3GS, iOS 5.1, 16gig, screen/digitizer replaced

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IPhone :: Signal Dropping Intermittently Even After Uninstalling Blacksnow

Jul 17, 2010

I purchased an iphone over kijiji locked to rogers and jailbroken to 3.1.2. During my days of owning it i found that the signal would drop randomly to 0 bars and proceed to "searching" to look for a network.. Ive looked this issue up plentiful over these forums and found that blacksnow seemed to be the culprit. After going through cydia i found that blacksnow was installed so i uninstalled it. I thought the problem was solved but a couple of minutes later after using apps that use 3g the connection dropped again. I dont know how this phone was jailbroken. its the 3gs with the old bootrom. ive never had this issue with my 3g phone. I restored again using redsnow and still same problems.

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IPhone :: 3GS Keeps Shutting Down?

Mar 22, 2012

My iPhone 3gs keeps turning itself off, then the apple logo turns up for like 3 minutes, and then it goes onto the lock screen and i go to unlock it and it just turns itself off again. It doesnt find reception and the battery goes in like 1 hour from 100% to 0. It also gets really really hot.

Info:
iPhone 3GS, iOS 5.0.1

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IPhone :: 4S Shutting Off Itself

Jul 1, 2012

Just bought it less than a week ago, from the Apple store. It's shut down on its own twice - just going straight off. Plus has rebooted alone at least once that I know of. Is this defective or is there a software problem with the OS?

Info:
iPhone 4S, iOS 5.1.1

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IPhone :: 4s Keeps Shutting Off?

Jul 5, 2012

I got a new iphone 4s last week and for the past few days every couple of hours it shuts off and i have to hold down the power and home button to get it to start back up, while it is still under warranty should we take it in or is there something i can do?

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IPhone 4 :: Is Shutting Down Alone - IOS 7.1.2

Sep 4, 2014

My iphone 4 is shutting down alone. I make a hard rest and i still have the same problem ...

Info:
iPhone 4, iOS 7.1.2

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IPhone 5s :: Back Lighting Works Intermittently / Touchscreen Works

Jun 4, 2014

My phone has been acting up since installing the latest iOS 7.1.1.  The back lighting for the screen works intermittetly.  I have been able to get it to come back on by turning the phone off and back on, but not every time.  Once I enabled VoiceOver through Siri and turned ScreenCurtain On and Off. Other times, just clicking the home button and a few times on a notification that would turn the back lighting on.  The phone seems to want to respond to turning the back lighting on, but does not do it every time it should.  It usually takes 10 - 30 minutes of me working with it to get it to come back on.  The phone has not been dropped and is in an Otterbox case.

Info:
iPhone 5s, iOS 7.1.1

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IPhone :: Shutting Down And Then Restarts Again

Mar 20, 2012

My iphone since yesterday is shutting down and restarting like every 3 minutes. Also, if I plug it to charge the battery, it appears like the battery was at 100% but not.

Info:
iPhone 4, iOS 5

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IPhone :: 4 Keeps Shutting Down About 5 Times A Day?

Mar 26, 2012

Ive never dropped or spilled anything on my phone, and i've only had it for less than 7 months. It will randomly turn off and I will try to restart it. It freezes on the restart screen so i usually have to restart it again. Also, sometimes the screen will spit for a couple of seconds but thats minor compared to it shutting off on me 5 times a day. Im thinking its a hardware glitch, but at the same time i'm not very tech savvy! Im wondering if i have to pay for it and what's the process of them fixing/replacing my phone? Im a student and everything i have is on my phone so im really hoping i wont be without a phone for a week or so just so they can figure out the problem!

Info:
iPhone 4

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IPhone :: 4 Is Shutting Down In 30% Battery?

Apr 6, 2012

I've iPhone 4 Version 5.1 ..Suddenly It Shutdown in Battery of 30% When I Tried To Turn It On .. a Screen Of Low Battery Appears.I Update it .. Restore It But No Change at All?Should I Replace The Battery ??

Info:
iPhone 4, iOS 5.1

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IPhone :: Why Is 3gs Randomly Shutting Off

Apr 15, 2012

Okay so i got a gamestop refurbished iPhone 3gs and yesterday everything was working out great and the phone was working fine. Today on the other hand, i encountered my phone randomly shutting off by itself. Once it did it when i opened the camera app and the others were from txt messages or using the internet. The battery was around 50% or so too so it was far from a dead battery. Once the phone shuts off, sometimes i can reboot the phone and other times i need to plug it in to reboot.

Info:
iPhone 3GS

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IPhone :: Shutting Off While Having 75% Battery?

Apr 26, 2012

My iPhone 4S shut off this morning with 75% battery life and will not reboot even when holding down start and reset button for over 40 seconds.

Info:
iPhone 4S, iOS 5.1

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IPhone :: 4s Is Shutting Down Several Times A Day

Jun 2, 2012

My new i phone 4s is shutting off several times a day

Info:iPhone 4S, iOS 5.1.1

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IPhone :: 4S - Shutting Down When Using The Camera App?

Jun 3, 2012

My brand new iphone 4s has been shutting down all by itself whenever I try to take a video on the camera app. It is not the battery, my battery is charged, and it only happens when using the camera app. I can take pictures and my phone will stay on, but whenever I take videos it turns off. Does anyone know why this happens or what I should do about it?

Info:
iPhone 4S, iOS 5.1.1, Camera App

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IPhone :: 4s Randomly Shutting Off?

Jun 17, 2012

My iphone 4s has been randomly shutting off pressing the home key just brings up the apple logo screen or the itunes plug in screen.

Info:
MacBook
Pro, Mac OS X (10.6.7)

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IPhone :: 4S Is Shutting Down Without Warning?

Jun 25, 2012

My iPhone 4S is shutting down without warning, no low battery warning or anything, and it will not come back on until I reset it. Today the battery has been at 100% charge all day, and I have been using the phone, apps, messaging, etc.

Info:
iPhone 4S, iOS 5.1.1

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IPhone :: Shutting Down By Itself Repeatedly?

Jul 4, 2012

it will not turn on it shut down by itself and came back on a couple days ago and then the home button didn't work it shut itslef off AGAIN, this is the 4th time if i plug it in it won't turn on if i reset it it won't turn on itunes won't recognize it

Info:
iPhone 4 (8GB)

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IPhone :: 3g Not Turn On It Keep Shutting Off?

Jul 5, 2012

My iphone wont cut on it shut off and now it wont do anything, any idea to why? even when i tried to hold the power and sleep button it didnt even show the logo! is there a way to get it back working again

Info:
iPhone 3G, iOS 5.0.1

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IPhone 5 :: Keeps Shutting Off For No Reason

Sep 4, 2014

My iphone5 has been shutting down for no reason, or at leas no one I know of. I've tried resetting it but ir doesn't does anything.

When I put it to charge, it shows in 20mins that is 100% charged, but in 1 hour without using it, the charge goes to 60%, then the battery starts working apparently normal. But it keeps shutting down at any time, without me doing something.

Info:
iPhone 5, iOS 7.1.2

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IPhone 4s :: Keeps Shutting Off During Restore

Jun 17, 2014

I cant restore my iphone. Its turns off during the beginning off the restore in when the phone turns on or something.Either that when the screen of the "connect phone to itunes" part goes away the phones just turns off(screen cuts black) the phone isn't dead either just off the charger is doesn't turn on,when the charger is on it the phone battery is at 100%.

Info:
iPhone 4S, iOS 7.1.1

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IPhone 5c :: Keeps Shutting Off And Keep Vibrating

Jun 17, 2014

my iphone today randomly shut off,its done this about 6 other times and this being the 7th time.It also keeps on vibrating and won't stop.I have no clue what to do

Info:
iPhone 5c, iOS 7.1.1

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IPhone 5 :: Keeps Shutting Down After Downloading IOS 8

Dec 8, 2014

After downloading iOS 8.1.1, phone keeps refreshing after minutes of being on it meaning I cannot make calls/messages. Also battery amount will change constantly. Increasingly getting worse and cannot be contacted on the phone any longer without it being charged!

Info:
iPhone 5, iOS 8.1.1, Even on 100% will go dead on screen

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Nokia :: CK-7W - Intermittently Buzzing

Jun 15, 2009

Just picked up my new car which already had a CK-7W Car kit installed in it and it works fine in terms of connectivity.

I have my N95 8GB paired up nicely and the wife has her Samsung U600 paired up too.

Problem is, intermittently when starting the engine, I get a buzzing coming out of the speakers and when you drive with the buzzing, it almost mimicks the revs of the engine and almost sounds like your driving in a computer game.

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