Iphone 4s dies at 30%

i have an iphone 4s that often dies between 30%-40% . It is a year old but it should not be dying at that high of a percentage.

Courcoul wrote:
arminIT wrote:
Did you used ipad charger? their voltage are different....
If we were talking about an iPad and this were the iPad forum, that may apply.
But since the OP mentions an iPhone 4S, as long as A charger is charging, which one it is does not have relevance. The bigger iPad charger can put out the additional current the iPad needs, but the voltage is limited as per the USB standards. And the iPhone will only take the current it needs so it won't charge any faster.
no dude, we're talking about iphone so that may apply here.
Regardless of the amps/volts/current debate - there is hard evidence that...
"Fast Charging" of the iPhone 4S with the new iPad charger is NOT good for the battery.
see these :
https://discussions.apple.com/thread/2580579?start=45&tstart=0
If the iPhone gets hotter with the iPad charger, well my friends, then it draws more current or by some other reason produces more wattage. End of story.
And as we know, heat seriously degrades Li-Ion battery life.

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So, have you tried a reset? Restore from backup? Restore as new? You seem to have a few problems but do not mention any action taken to resolve them. What have screen protectors to do with anything?

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My iphone 4s dies randomly even if im 100% especially if i try using an app other than messaging or if i try using the internet, if it doesn't die then it always dies around 73-80% sometimes it wont last more than 1 hour, any ideas? When it dies it wont turn back on till i charge it again or will randomly turn on for a minute then die again

Have you reset your device (nothing will be lost): Hold down the Home and Power buttons at the same time and continue to hold them down until the Apple appears (up to 30 seconds). Once the Home screen comes up, see if that helps the situation.
Also, are you running any apps from 3rd party websites that may be causing your issue? Is your device jailbroken? Are you running any sort of Anti-Virus software? All of these things will affect the performance of your device.
Cheers,
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Do the 5 Rs.
http://www.apple.com/support/ipod/five_rs/
http://www.apple.com/support/ipod/five_rs/classic/# yes I realize this is for iPod classic but the same ideas apply.
Reset - your iPhone - hold down Home and Power until the iPhone shuts off
Retry - Use a different USB port
Restart - your computer. And make sure you have all the latest updates (use Microsoft Update in Windows or Software Update in Mac)
Reinstall - Check for any kind of software update which make fix a bug in your iPhone
Restore - Restore the iPhone to factory settings via iTunes
Still doesn't work? Go to http://expresslane.apple.com

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When the phone shows only the Apple logo it usually indicates an issue with the system software that is preventing the phone from completing the boot sequence. This can be remedied by putting the phone into DFU mode and restoring the system software. This will remove all data and software from the phone and put a fresh set of system software on the phone, so hopefully you have a recent backup.
To put your iPhone/iPod into DFU mode:
1. Make sure the iPhone/iPod is connected to the computer
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It's long, but please take your time to read it. Appreciate it.
Firstly, I believe it happens to a lot of us. It not only happens to me, but also a lot of my friends and my family.
Using iPhone certainly will consume its battery, and the way that consumers use iPhones and measure its battery is not the "stand by hours" but how long the battery lasts after charging it till full during our sleep or office hours. We simply only care about how many photos we can take, how long we can search things or browse things on the browser, how long we can call, how long we can use certain apps on the phone and so on so on. Of course, the most important thing is that we don't need to exchange some other essentials such as 4G LTE, brightness, background refresh, background location services, or even WiFi for those very basic functions. We, as users, totally understand certain functions may consumes more battery such as 4G LTE and background operations, but it cannot be the most prior excuse for the phone dies too fast.
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Thanks for reading. Hope some of you would pass it to insiders.

There is a new feature in iOS 8 that helps users track down battery hogging apps. Settings, General, Usage, Battery Usage. Perhaps that might help you figure out where your electrons are disappearing to.

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Did you get the battery checked by an Authorized Apple Service Provider or by visiting an Apple Store next to your place?
Apple - Support - Service Answer Center
iPhone - Contact Support - Apple Support

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Your iPhone is plugged in to your computer or to the wall charger when doing so?
If plugged in to your computer when doing so, do you have your computer set to sleep or standby mode after a period of inactivity? If so, the following was coped from this link.
http://support.apple.com/kb/HT1476
Connect the device to your computer (not your keyboard) using the included cable to charge the battery and sync. Your computer must be turned on and not in sleep or standby mode. If the device is connected to a computer that's not turned on or is in sleep or standby mode, the battery may drain.
If the iPhone's internal temperature exceeds a designated temperature when being used while connected to a power source, charging will stop to protect the battery until the internal temperature is reduced.

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It may not be relevant but the service bar will always say 'searching' even though I have service and can send messages.

Basics from the manual are restart, reset, restore from backup, restore as NEW device. If those don't solve your problems, you'll need to go to Apple for evaluation.

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Iphone 4s dies at 30%

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