Iphone 4 shuts down after disconnecting from power cable

My iphone 4 completely shuts down after disconnecting from power cord. The screen goes blank. However, if I re-plug the power supply it turns on with the date and time changed but my battery status is 86%.

Reset, hold both Home and Power buttons for about 15 seconds until iPhone restarts. If everthing is OK, great. If not, connect to iTunes and try to Restore the Firmware. If still problems, make appointment with Apple Genius for Warranty service.

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Iphone 5 shuts down, as if no power, none of the buttons work.

IPhone 5 shuts down, as if no power, none of the buttons work. When plug back the charger cable, the screen immediately comes on and battery shows 40% or 50% or even 80%? Also, battery drains very fast on both IPhones after recent ipdate of IOS. Please help.

Hello there, noviipareni.
The following Knowledge Base article offers some great steps for troubleshooting issues with unexpected power off:
iPhone: Hardware troubleshooting
http://support.apple.com/kb/ts2802
Particularly:
Will not turn on, will not turn on unless connected to power, or unexpected power off
Verify that the Sleep/Wake button functions. If it does not function, inspect it for signs of damage. If the button is damaged or is not functioning when pressed, seek service.
Check if a Liquid Contact Indicator (LCI) is activated or there are signs of corrosion. Learn about LCIsand corrosion.
Connect the iPhone to the iPhone's USB power adapter and let it charge for at least ten minutes.
After at least 30 minutes, if:
The home screen appears: The iPhone should be working. Update to the latest version of iOS if necessary. Continue charging it until it is completely charged and you see this battery icon in the upper-right corner of the screen . Then unplug the phone from power. If it immediately turns off, seek service.
The low-battery image appears, even after the phone has charged for at least 20 minutes: See "iPhone displays the low-battery image and is unresponsive" symptom in this article.
Something other than the Home screen or Low Battery image appears, continue with this article for further troubleshooting steps.
If the iPhone did not turn on, reset it while connected to the iPhone USB power adapter.
If the display turns on, go to step 4.
If the display remains black, go to next step.
Connect the iPhone to a computer and open iTunes. If iTunes recognizes the iPhone and indicates that it is in recovery mode, attempt to restore the iPhone. If the iPhone doesn't appear in iTunes or if you have difficulties in restoring the iPhone, see this article for further assistance.
If restoring the iPhone resolved the issue, go to step 4. If restoring the iPhone did not solve the issue, seek service.
Additionally this article reviews some recommendations for optimizing your settings for battery life optimization:
Apple - Batteries - iPhone
http://www.apple.com/batteries/iphone.html
Thanks for reaching out to Apple Support Communities.
Cheers,
Pedro.

IPhone 4, shut down and will not power back on

iPhone 4 shut down and will not power back up

Try a reset: Hold down the home button along with the sleep/wake button until you see the apple, then let go.

IPhone 4S shutting down after iOS7 and support from Apple Chat

So, my iPhone is shutting down suddenly with battery at about 40% and saying that it ran out of juice, asking me to plug in the charger. When I do it, it shows 40% again. It looks like other people have similar issues with not only the 4S, but iPhone 5 as well.
I tried to contact the char support and well, read by your self below. Not only nothing was solved, but the support just hanged up the chat on me, and didn't answer my last question. That's really not what I expected from Apple. Well, that's it, no more iPhone in my household.
Case ID is 537464016 in case anyone from Apple wants to check it out. I'm selling this iPhone and never coming back.
Now Chatting with Calvin
Thanks for contacting AppleCare chat support. My name is Janan. Please give me a moment to look over your information.
Please note: In the event that we get disconnected it's likely due to a system or connection issue. It is never our intent to disconnect from you. If you do get disconnected, please chat us back or go to [Contacting Applehttp://support.apple.com/kb/HE57http://support.apple.com/kb/HE57] for phone support numbers and refer to the case number on the email that you've already received.
Hi Janan
Hi Luccas, how are you doing today?
Good thanks. I have an issue with my iPhone 4S
Luccas, from what I see in the pre-chat notes you provided, it looks like you are having an issue with Battery life. Is this correct?
Since I updated it with iOS7, the phone is shutting down suddenly when the battery is below 40%
I wait then about 10 min, or I do plug in the charge, and the battery shows 40% again
I tried to restore the phone using iTUnes
twice
but the issue is still happenning
Did you set up your phone as new after restoring?
yes
How long until the unexpected shut downs started up again then?
straight away
I found your diagnostics… Give me a moment to have a look?
ok
Ok, there may be an issue with your battery, but we’ll need to have you do some troubleshooting before we can verify that it needs replacing. How does this sound to you?
sounds good
One moment while I tic the boxes of the things you’ve already done please
ok
Do you show any appellations in your App store that needs updating?
no
Do you lock your iPhone when not in use to shut the screen off?
yes
How bright have you set your display?
it's on automatic
Do you use Wifi mostly?
at home and at work yes, so it's on wifi most of time
Do you have a lot of applications pushing notifications to you?
no, the phone doesn't have a lot of apps, especially after I restored it
Understood
Do you use your phone for emails?
yes
On your phone, would you go to Settings > Mail, contacts, Calendars > Fetch New Data for e please?
yes
it's set to push
but I don't use the mail app from Apple
I use the Gmail application
Ah… Ok
So there’s no email used there.
Back up to the Settings page please?
ok
Go to General > Background App Refresh now
yes, I disabled most of the apps her
I just have the Gmail app and the Google Maps
as these are the ones I use most
LOL… You are the perfect user!
What about Location Services?
it;s on, but again, just for google maps
Ok
and the find my phone service
Exactly
Let’s go back into General then Usage please?
Sorry, Nevermind, I can view that from your diagnostics...
ok
Do you use Instagram?
yes
That’s caused some memory issues of late...
Your battery is starting to show wear though
I didn't have any issues before updating to iOS7
the battery was working perfectly fine
never have any shutdown
Your battery is also 2 years old
One of the updates addressed battery issues and since you’ve restored your iPhone, it appears that it is on its way out.
the battery was 2 years old last month as well, when I had iOS6 and was working fine
I have done all updateds
I certainly apologize about the inconvenience this issue is causing.
But since you’re using your phone correctly, your restore hasn’t had any affect, this is the only conclusion I can reach
so, what's the solution?
can I come back to iOS6?
I’m afraid there’s no way to go back to iOS 6
so, I can't come back to the OS my phone was working properly, and I have to stick with a OS where my phones shutdown in the middle of the day with half battery full
Again, it isn’t the fault of the operating system software.
so, can you explain me why not?
if with iOS6 the battery didn't have a problem
and suddenly, when I update, I have an issue?
You have restored your phone and set up as new. If that fixed the battery life, then it was a software issue. If not, it was a hardware issues
look, if I come back to iOS6, the batttery issue is gone
so, it's a software issue
One moment while I get a senior advisor for you please?
ok
There’s just a few minutes wait time.
no problem
Just checking back… Our chat volume has gone up since Phone Support closed. This isn’t a normal wait but I’m still waiting with you.
that's fine
Still waiting with you
ok
Luccas, your problem requires extra knowledge and skill so I've got Calvin, one of my senior advisors taking over from here to make sure your problem gets the attention it deserves if that's okay with you. It was my pleasure to assist you today and I will leave you in Calvin's capable hands.
Thanks Janan
Hi Calvin
You’re welcome… One moment and I’ll transfer you
You are now being connected to another Advisor. Please standby.
Thanks for contacting iOS. My name is Calvin. Please give me a moment to look over your information.
Now Chatting with Calvin
ok
Hello Luccas, I see that your device is shutting down when the battery gets to about 40%, is that correct?
correct
I am really sorry to hear that, I can see that being frustrating.
it shows that image saying to plug in the charges as the battery is dead
I looked over the diagnostic it shows pass but its in yellow.
yes, especially if you consider that was working just fine one month ago before I updated to iOS7
I understand, it may cause people to think its the software but really what happens is during a restore or update sometimes it just brings the existing issues to the surface.
As even though your battery pass, its in yellow signifying its ready to failed but it appears its already failing.
Normal battery passes, its in green.
Since you have already restored it as new. That pretty isolated the issue.
sorry, I still don't get it. In one version of the software, my battery lasted the whole day without any issues. Now, after updating, the battery shutsdown at 40%. That's software issue for me. And, more important, if I wait about 10 to 15 min and try to turn on the phone. It's back again, and last until is about 30%, than, the same issue occurs.
If iOS6 was able to handle the battery just fine. I would like to be able to install it again
I understand you do have some concerns regarding iOS 7 and would like to revert back to your previous software. In order to avoid compromising your device in anyway the software is only designed to move forward. Downgrading the iOS is a feature that Apple cannot assist with as well as recommend since it can negatively affect your device.
However, we are always open to suggestions from our customers. Using this website (apple.com/feedback) would be the best option for submitting your concerns directly to Apple. We love to hear from our customers and future updates may even include specific features suggested to us by our customers.
Now keep in mind we have hundreds of millions of iOS device out there and most of them are running iOS 7 and running it fine.
In my case, upgrade the software affected negatively my device.
and a quick search on google shows that a lot of people have similar issues as me
Ok, we're running in circles here
You can do a search for iPhone anything and you will bring up a lot.
I though you would come and offer a solution
but you're just appologizing
not the kind of support I would expect from a premium product
The solution would be an out of warranty paid service.
not sure if would pay the premium next time
I don't see this as a solution. Because was an upgrade of software that made my phone stop working properly
I am sorry, I would have to respectfully disagree. I do agree that you notice the issue after the update. However does not mean that the update cause the issue.
So, explain me why in iOS6 it did happen?
I am sorry but there is just too many possibilities out there and I would just be speculating.
ok, so, at the same time that doesn't mean that the upgrade it's the cause, it could possibly mean that it's the cause, do you agree?
So explain to me why hundred of millions of units are running it fine?
I can't say about the hundred million of units
and that's not an issue that I care about
If even a fraction of the people had this call. I would not be talking to you as there would be huge backup of customers waiting.
what I care about is that the phone I paid 800 swiss francs is not working after a software update
I have a problem, and I'm contacting the customer service, so I care about being taking seriously and looking at the issue in my device
telling me that hundred of millions of devices works, and mine doesn't, that's not helpful
Ok, let me have you call phone support in you’re region. So that they can open up a engineering ticket and get you a response directly from engineering.
United Kingdom
(44) 0844 209 0611***
so, now you're saying that the last hour of my time has been useless because it's not you that can solve my problem?
and worse, you're making my self calling someone else and loosing even more time?
What I am saying is you are not accepting my solution and you believe you are correct.
So lets go with your direction to get you an answer directly from engineering.
no, you're asking me to pay for a new battery
That is my solution.
and you're expeculating that's the solution
you're not sure about that
You disagree so lets go get you an answer from higher up, do you not like that solution?
Lets agree to disagree and find you the answer you want.
Period.
ok, but I don't want to loose more of my time to call someone. And pay for the call
Debating this with me is not going to get us anyhwere.
I can setup a call back for you if you like.
you have access to the customer service system and could open a ticket
What number is best to reach you at?
+44 07445376676
just for my information
what they will look at?
anything they will do differently?
Call is schedule for 8:00-8:15 AM.
tomorrow?
Saturday.
Greenwich time.
ok, again, can you tell me what they will look at? anything they can see that you couldn't?
Thank you for your time.
Your chat session has ended. Thanks for using Apple's chat support

Sounds like you have a battry issue but don't want to believe it.
If a car was running fine on one tank of gas, then you filled it up with another tank of gas and it began to run funny, one might suspect that tank of gas. But let's just say coincidence blew a valve-- would you think the new tank of gas was the culprit?
BUT WAIT!! It just might have been! The gas could have been of higher octane and put more more strain on the valves; you know, like going from 87 octane (OS6) to 93 octane (OS7) and showing you the engine was on the edge of compromise.
Sometimes you have to go with common sense. If everything else is ruled out, it must be the battery. And if it runs fine one moment in OS6 but immediately ***** in OS7, I'd believe my battery was suspect-- though comfy-- in OS6 but the OS7 showed its true power.
Moreover, if you had the answer-- or didn't want to believe someone's more competent advice-- why did you even call? You've already shown that you don't know much when you asked if you could go backwards after setting up the new OS as a new phone.
Additonally, if you're such the know-it-all, but yourself the $29 battery and put it in yourself. It's a piece of cake.
<Edited By Host>

Computer shuts down after unplugging the power cord

My computer is showing a Plugged in, not charging message, but it is at 88%. When I unplug the charger from the computer to work somewhere else, the computer totally shuts down and will not power up unless the power charger is plugged in. I tried taking the battery out and leaving the cord connected and the computer started fine. How do I get the computer to stop shutting down after unplugging? Any help is greatly appreciated.

Sounds like battery #2 has a short. When the system detects a critically low battery, it is likely to devote all power to battery charge until the batery reaches 5% or so. Try each battery seperately. If no power at any time, remove the battery, disconnect the AC adapter. Press the power switch for about ten seconds. Then connect the AC adapter, let it boot, then install the battery and check the charging status. This resets the power manager. I think one battery id bad, but you will need to test them one at a time. Good luck.

IBook shuts down after upgrading from 10.3.3 to 10.3.9

Hi...I tried upgrading an old iBook G3 700 MHz from OS X 10.3.3 to 10.3.9 (combo). Now it won't finish
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going briefly during this time.
I booted with the hardware diagnostics CD that came with the machine, and all tests passed OK
- both the quick tests and the extended tests.
Wanted to just try reinstalling from the Panther CD set that I have, but I've found that I can't
boot from those CDs - does the same thing, shows the apple logo, then shuts down after 5 seconds.
I tried restarting in single user mode, it doesn't seem to get very far - I get the black screen, it
prints about 5 lines of information, then one line saying "Using 983 buffer headers..." and then
it shuts down. Seems like it's not getting far at all into the boot process.
Any thought's on what to try next? Wish I could just reinstall, wiping the slate clean, but even
that doesn't work!
Thanks in advance for any help...
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Success! This is so bizarre...
I have two Mac laptops, the iBook 700 MHz that's having the problem, and a newer
PowerBook G4. A few days ago I wanted to recharge the iBook...I've been very diligent
up to this point to use the correct charger with each laptop, the one that each came
with.
I got lazy this last time...plugged the charger for the newer PowerBook into the
older iBook. Then I did the upgrade, and then I shut down the machine. It was after
that that I had problems restarting.
I got suspicious just now and looked at each charger. Thought they would be
interchangeable, but on looking at them the charger for the older iBook says output
is 24v 1.875A, while the one for the PowerBook is 24v 2.65A.
Knowing that there's a PMU (Power Management Unit) in these machines and that it
has settable parameters, I thought, what the heck, plug the correct charger back into
the iBook, just to see what happens. Voila, it started up OK!!!
What the heck ?!?!
I'm pretty well versed in computers (work with Unix and Linux regularly, love the
Mac OS X command line!), just don't understand everything that goes on under the
hood with the Macs these days.
Just to get some final closure on this problem, can anyone explain why doing what
I did resolved the issue? I'd really like to learn from my mistakes.
Thanks to Rhonda and S.U. who responded so quickly for my plea for help!
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IPhone 4 shuts down after heavy music/mapping use

My iPhone 4 keeps shutting down after us for music or maps for some time in motor vehicle; sort suggests it is overheating!! Sometimes it will not reset/restart using both conytols for quite some time. I have rrestored the iOS several times without curing shutting down probelm. And now the iPhone won't show up in iTunes on my new Macbook Air. All software including iTunes is up to date. I would appreciate advise on a solution. Thanks

Hello Zook47,
I would recommend that you take a look at some of the troubleshooting steps found in the article below.
iPhone: Hardware troubleshooting
http://support.apple.com/kb/TS2802
Hope that helps,
Girff W.

Computer shuts down after disconnecting power

Help! My son has purchased the Envy 15 and loves it BUT we have an issue with the battery. He has both batteries connected and the laptop plugged in. He unplugs the laptop - both batteries are at 100% and within a minute, it shuts off. It doesn't shut down, it's like it suddenly doesn't have power. The machine will reboot, on the batteries, no problem - but of course, windows hasn't been shut down, so its not a "graceful" reboot. When looking at the battery power after, Battery #1 is at 100% and Battery #2 is not present. It obviously has power as we can reboot without reconnecting the power. It only appears to happen when the second battery is connected. We are on the HP recommended power plan with no adjustments.
When I plug it back in, it still says there is no second battery present.
Help? Any ideas?
Plus, does anyone know if you can lock the function keys - he does a ton of gaming and uses the function keys, so the direct action keys are not a plus for him.
thanks!
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Sounds like battery #2 has a short. When the system detects a critically low battery, it is likely to devote all power to battery charge until the batery reaches 5% or so. Try each battery seperately. If no power at any time, remove the battery, disconnect the AC adapter. Press the power switch for about ten seconds. Then connect the AC adapter, let it boot, then install the battery and check the charging status. This resets the power manager. I think one battery id bad, but you will need to test them one at a time. Good luck.

Shuts down after disconnecting power cord

computer shuts down about two seconds after power cord is disconected, and i'm not able to fire it up when id only on battery...
status on the battery says it's 100 % (fully charged)....
on power cord works just fine...
i don't think it's a baterry issue, i think it might be a software?????

Hi KW305,
welcome to macbook forum.
Try reset your SMC / PRAM:
http://docs.info.apple.com/article.html?artnum=303319
http://docs.info.apple.com/article.html?artnum=2238
Install battery updater:
http://www.apple.com/support/downloads/batteryupdate12.html
Calibrate your battery:
http://docs.info.apple.com/article.html?artnum=86284
And repair permission:
http://docs.info.apple.com/article.html?path=Mac/10.4/en/mh12.html
IF the problem persist, consult apple
Good Luck.

[Zen Micro] Keeps shutting down after unplugging from comput

I have owned this player for a year and three and a half months now. I had sent it in for repair before the warranty expired because I kept getting annoying feedback into my earphones. Unfortunately, they didn't fixed it and just sent it right back costing $25+S/H. I went on installing the firmware and loading my music up just fine, but when I unplug it from the computer, it shuts down. I tried several things such as reformatting the thing, but it didn't work and I hadn't checked out the sticky firmware thread so I just left the player alone very frustrated until now.
I managed to reload the firmware again thanks to that thread but I still have the automatic shut-down problem when disconnecting from the computer. I did noticed that after I unplugged it, the power bar wasn't there before it shut down.
Your ideas are appreciated but please make sure it's not about sending it back to them. It's out of warranty.
Note: It does work again after I replace the battery, but I don't want to do this every time I want to load music onto it.

Is there a sleep timer on the Micro? Did you check for that? (as opposed to Idle Shutdown)

External hard drive won't shut down after switch from OS10.5 to OS10.4.11

i recently chanded my OS from 10.5 to 10.4.11 (as a programme i want to use is not compatible with leopard), but since i have done this my external hard-drive won't shut down automatically when i shut down my mac. i have to switch it off at the plug instead.
can anyone suggest how i can get it to do this again?
i'm a little concerned that i'm damaging the external drive by turning it off manually all the time..
thanks

Some hard drives shut off with shutdown, some don't. Sometimes hard drives that did shut off with one system will not do the same with a different system. My hard drives which did shut off, prior to 10.5 now stay on.
This is not really a problem as all hard drives spin down after 10- 20 minutes when not in use, whether your computer is on or off. Leaving the drive on is fine, shutting it off manually is fine.
-mj
[email protected]

My iphone 4s shuts down after update to iOS 7.1!

My 4s shuts down every time, almost every hour but only since I updated it to 7.1!
I tried everything but nothing helped. No resetting, no going back to factory settings, no pressing Home Button + Power button.
The staff in Apple Store told me that my phone hardware and battery i ok so it has to do wih the software 7.1
They can't fo anything and I have to wait for an update!!
Does anyone has the same problem or a solution?
Thank you.

janirch wrote:
I tried everything. I restarted it, I putted it on factory settings, I deleted every App but nothing helped.
In Apple Store, they told me that it is a hardware problem and my phone isn't able to use the new iOS 7.1 because my phone is too old but it's only 2,5 years old.
I suspect that something in that conversation was seriously misunderstood. The iPhone 4S runs iOS 7 without any issues.
If the device has a hardware issue, then it does not matter what version of iOS is on the device, it will not function properly.

MBP shuts down after booting from a disc

How is everyone doing? I hope okay with their macs!
Well, if I boot from my MacBook Pro Install discs, the computer boots off of the discs.
But if I try booting off any media that I burned, the computer shuts down automatically.
What I do:
Put in the disc (I tried both DiskWarrior and Drive Genius 2),
hold down the C key,
the apple logo displays,
the discs starts to spin louder (like if it were to start reading it),
then the computer restarts after showing the spinning wheel for about half a second.
I thought that maybe it had to do with me adding a firmware password as requested by Orbicule's Undercover... so I removed the firmware password and I still got the same results.
Does anyone know why this is happening [to me]?
Any replies or comments are thanked in advance.

I found out why... its because I have the new macbook pro with the penryn processor.
Penryn processor's fault.
End of story.

IPhone 5 shuts down after having 36% battery left.

Okay so I have an iPhone 5 running iOS 6.1
I haven't had this problem at all until updating to 6.1
Everytime my phone hits 36% battery, it shuts down.
It is not jailbroken either.
When I try turning it on, the charging idicator turns on and that's when I need to plug it back in.
IT HAS 36% battery left! Why is it shutting down!?
I called Apple and they couldn't explain the problem to me and wanted to charge me $49.99?
Ridiculous!
I HAVE TRIED restoring it 3 times. 2 times I used backup and the 3rd time I set it as a new iPhone.
Still having the issue.. Please help me?

The Basic Troubleshooting Steps are:
Restart... Reset... Restore from Backup... Restore as New...
If you try all these Steps and you still have issues... Then a Visit to an Apple Store or AASP (Authorized Apple Service Provider) is the Next Step...

IPhone 5s shuts down after being in the cold for a while

I have an iPhone 5s. I go outside jogging at noon and listen to the radio on the phone app. Since it is cold outside, it has happened several times that after about 20 minutes I come back into the building and take out and check my phone it shuts down by itself. If I try to restart, it will tell me the battery is low and need recharge. I will have to wait for a couple of minutes before I could restart. First couple of times, the battery was low, close to 10%. Today it happened again. When I restarted eventually, it showed over 60% battery life left. Has anyone else had similar issues? The warrenty just expired. What is my option?

sideline2 wrote:
I have an iPhone 5s. I go outside jogging at noon and listen to the radio on the phone app. Since it is cold outside, it has happened several times that after about 20 minutes I come back into the building and take out and check my phone it shuts down by itself. If I try to restart, it will tell me the battery is low and need recharge. I will have to wait for a couple of minutes before I could restart. First couple of times, the battery was low, close to 10%. Today it happened again. When I restarted eventually, it showed over 60% battery life left. Has anyone else had similar issues? The warrenty just expired. What is my option?
Don't let it get so cold...
Set up a Genius appt and see what they say.
-> https://www.apple.com/retail/geniusbar/

Iphone 4 shuts down after disconnecting from power cable

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