My iPhone 5 shows 40% charge, but suddenly powers down and says it needs to be charged again

I have been seeing this a lot lately. The iPhone 5 is only 14 months old.
Any ideas? Is there a setting or a reset-level-check?

Entirely possible that its a bad battery. If an iTunes Restore (start from new, NOT restore from backup) doesnt fix it, its a bad part.

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My computer wont recognize my ipod touch, when i go into the devices list (windows 7) it comes up but its under unspecified and says it needs troubleshooting. what can i do to get it to connect properly again?

when i plug in my ipod into the right usb port it makes the connecting noise but nothing pops up and itunes does nothing. then when i look into the devices list it is under a category called unspecified and says that it needs troubleshooting. if i run the troubleshooting program it says it could not find a solution to the problem. i want to know how to fix this.

I was struggling with this since my latest Itunes update. Fiirst it would not recognize my IPad as a device, after correcting that, it would list the Ipad in my device but my Sync had no options (summry, info, etc). and it kept saying it was "Accessing Itunes store". reading your question I suddently tried deleting the itunes task (alt-ctrl, delete, processes) and delete Itunes. (By the way, I had rebooted my computer several times over the last few days). I opened up Itunes, and voila. Device is there. No "accessing windows" and my sync has the normal options.
****..feels good to actually write an answer rather than writing a questions.
Eman

I plug my ipod in, and it says it needs to be charged and never charges or shows up on my computer. But it works in the charger

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Start here:
iPhone, iPad, or iPod touch: Device not recognized in iTunes for Windows
or
iPhone, iPad, iPod touch: Device not recognized in iTunes for Mac OS X

I have iphone 3GS suddenly shut down and showing apple

i have iphone 3GS sudden shut down and only showing apple,what to do,i started do do recovery through itones.error 21

that happened to mine but my battery had exploded so just check if your hasnt you tell by taking the screen off the battery should be straight if not its exploded.

So I keep trying to sync music to my iPhone from iTunes, and whenever I select the album the sync goes by really fast and nothing goes onto my phone. Then when I click "On this iPhone" it shows the songs, but they're grey, and I can't click on them. Help?

So I keep trying to sync music to my iPhone from iTunes, and whenever I select the album the sync goes by really fast and nothing goes onto my phone. Then when I click "On this iPhone" it shows the songs, but they're grey, and I can't click on them. Help?

Ok, sorry. And yes, I just restored my iPhone as new and tried to put all the songs on there before I even restored with my previous backup, but it still does the same thing... even when I just checked the option to sync only "selected music or videos". How's that possible?
P.S. After I tried syncing with checked songs only, nothing showed up under Music on my phone and this message popped up in iTunes: "The iPhone "..." could not be synced because the sync session failed to finish." If you could, please tell me what that means, thanks.

My iphone is fully charged but it will not turn on unless plugged into a charger

my iphone is fully charged but it will not turn on unless plugged into the charger in the wall, it wont even turn on when connected to the computer!!!!!!!

Hi there. Any luck with your phone? I'm having the same problem

I have unlocked iphone 5.i tried to use it with tmobile.it shows full network but fails to activate and shows sim invalid.how to make it work?

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Hi, I would like to ask you a question. a month ago I bought a battery case for iPhone 5 and it worked properly until I installed iOS 7. From that day iphone is operating normally, but when the battery is empty, unfortunately I can not charge additionall

Hi,
I would like to ask you a question.
a month ago I bought a battery case for iPhone 5 and it worked properly until I installed iOS 7. From that day my iphone is operating normally, BUT when the battery is empty, unfortunately I can not charge additionally my iphone with the "extra battery case".
Does that mean that you did not even create a new software that supports additional battery case or it is something else?
I need your help!!,
Thank you in advance.
Sincerely,
VK

The Mophie Air is a good battery case, but doesn't offer the protection she's looking for. I suggest sticking to the Lifeproof, the iPhone has a very good battery (2-3 days moderate usage for me).
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Early this morning from my way to office when I plug my iPhone 3gs to my itrip in my car it is working fine. But when somebody called in my iPhone it suddenly turn off, and I can not turn it on again. I really don't know what to do, please help me?

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Early this morning from my way to office when I plug my iPhone 3gs to my itrip in my car it is working fine. But when somebody called in my iPhone it suddenly turn off, and I can not turn it on again. I really don’t know what to do, please help me?

HT4623 I put my IPhone 4 to update but now is lock and showing error 3194, what my be the problem?

I put my IPhone 4 to update but now is lock and showing error 3194, anyone now what to do? please.

Same issue, I hope someone on here can figure this out and share the information. I was on the phone with apple for over 2 hours trying to fix. I guess I have to make another call on Monday!

HT4061 hey buddy.i put my i phone 5 s for charge but suddenly it power off,now i try to power on but it wouldn't. please buddy i don't know what happened to my i phone .help me to figure out

hey buddy.i put my i phone 5 s for charge but suddenly it power off,now i try to power on but it wouldn't. please buddy i don't know what happened to my i phone .help me to figure out

Try a reset. Hold the sleep/wake and home buttons together until you see the Apple logo and then release. The phone should reboot.

I have IPhone 4S in cold -7 off and says that there is no charge ... come home I try to include all of a sudden turn! Charge as it was before the spree, what to do?

I IPhone 4S in cold -7 off and says that there is no charge ... come home I try to include all of a sudden turn! Charge as it was before the spree, what to do?

That's too cold.
Apple designed this diagram of ideal temperature for the Iphone:
Everything below 32ºF/0ºC is too cold and the device's battery is not going to work as espected.
Take a look at this:
http://www.apple.com/batteries/iphone.html

My phone was fully charged and suddenly shut down and wont turn back on iPhone 4

my phone was fully charged and suddenly shut down and wont turn back on
iPhone 4

Hi there,
I would recommend taking a look at the troubleshooting steps for unexpected power off issues found in the article below.
iPhone: Hardware troubleshooting
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.
Issue not resolved
My issue is still not resolved. What do I do next?
Contact Apple Support.
-Griff W.

Ipad says it needs to be charged but i have charged it all night still willnt come on

My ipad has chraged all night and it says battery is dead. and will not come on. please help.

Are you using the wall charger?
The quickest way (and really the only way) to charge your iPad is with the included 10W or 12W USB Power Adapter. iPad will also charge, although more slowly, when attached to a computer with a high-power USB port (many recent Mac computers) or with an iPhone Power Adapter (5W). When attached to a computer via a standard USB port (most PCs or older Mac computers) iPad will charge very slowly (but iPad indicates not charging). Make sure your computer is on while charging iPad via USB. If iPad is connected to a computer that’s turned off or is in sleep or standby mode, the iPad battery will continue to drain.
Apple recommends that once a month you let the iPad fully discharge & then recharge to 100%.
How to Calibrate Your Mac, iPhone, or iPad Battery
http://www.macblend.com/how-to-calibrate-your-mac-iphone-or-ipad-battery/
At this link http://www.tomshardware.com/reviews/galaxy-tab-android-tablet,3014-11.html , tests show that the iPad 2 battery (25 watt-hours) will charge to 90% in 3 hours 1 minute. It will charge to 100% in 4 hours 2 minutes. The new iPad has a larger capacity battery (42 watt-hours), so using the 10W charger will obviously take longer. If you are using your iPad while charging, it will take even longer. It's best to turn your new iPad OFF and charge over night. Also look at The iPad's charging challenge explained http://www.macworld.com/article/1150356/ipadcharging.html
Also, if you have a 3rd generation iPad, look at
Apple: iPad Battery Nothing to Get Charged Up About
http://allthingsd.com/20120327/apple-ipad-battery-nothing-to-get-charged-up-abou t/
Apple Explains New iPad's Continued Charging Beyond 100% Battery Level
http://www.macrumors.com/2012/03/27/apple-explains-new-ipads-continued-charging- beyond-100-battery-level/
New iPad Takes Much Longer to Charge Than iPad 2
http://www.iphonehacks.com/2012/03/new-ipad-takes-much-longer-to-charge-than-ipa d-2.html
Apple Batteries - iPad http://www.apple.com/batteries/ipad.html
Extend iPad Battery Life (Look at pjl123 comment)
https://discussions.apple.com/thread/3921324?tstart=30
New iPad Slow to Recharge, Barely Charges During Use
http://www.pcworld.com/article/252326/new_ipad_slow_to_recharge_barely_charges_d uring_use.html
Tips About Charging for New iPad 3
http://goodscool-electronics.blogspot.com/2012/04/tips-about-charging-for-new-ip ad-3.html
How to Save and Prolong the battery life of your new ipad
https://discussions.apple.com/thread/4480944?tstart=0
Prolong battery lifespan for iPad / iPad 2 / iPad 3: charging tips
http://thehowto.wikidot.com/prolong-battery-lifespan-for-ipad
iPhone, iPod, Using the iPad Charger
http://support.apple.com/kb/HT4327
Install and use Battery Doctor HD
http://itunes.apple.com/tw/app/battery-doctor-hd/id459702901?mt=8
iPad Battery Replacement
http://www.apple.com/batteries/replacements.html
In rare instances when using the Camera Connection Kit, you may notice that iPad does not charge after using the Camera Connection Kit. Disconnecting and reconnecting the iPad from the charger will resolve this issue.
 Cheers, Tom

The calendar on my iPhone 4s suddenly went blank and says NoEvents anywhere. What happened and how do I get the information back?

The calendar on my iPhone 42 suddenly went blank and says No Events. How do I get my data back?

I've been having the same problem every 3-4 months: the calendar app seems to hang up, I either reset the app/phone or wait it out, then presto! all internal calendar entries have been deleted. Unlike others in this thread and elsewhere, I am not using iCloud.
Interesting fact: while following the suggestion to hide all calendars, then show all calendars, I noticed that the internal calendar option is MISSING. It's like it just doesn't identify that there ever WAS an internal calendar. Really? Argh.
Apple Support: are you guys monitoring this? I've seen a few similar postings, so I don't think we're alone...
Granted, I have more than a few entries - years of calendar/appointment history have been imported from my old Palm Treo. Thanks to slow performance and odd calendar app crashes, I am very well aware that the iPhone's calendar isn't nearly up to the task of handling this many entries, and have been working to get the quantity of entries down. I must be up near some threshold, as response time seems to have improved with several deleted entries, though it was just before the crash+data loss.
Fortunately, I try to sync with my Outlook calendar nightly, so I do have a backup. However, this type of data loss and instability re VERY painful for those that actually USE and practically LIVE by their calendars. Here's hoping I can remember today's entry modifications...
One additional complaint: WHY can't I edit a recurring appointment WITHOUT it creating a NEW one? Crazy... For all the things this smartphone does well, it does several things VERY stupidly.
_Dave_

My iPhone 5 shows 40% charge, but suddenly powers down and says it needs to be charged again

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