I'm using i phone 5, the battery drops suddenly from 20% to 5% what is the reason ? and what is the solution?

i'm using i phone 5, the battery drops suddenly from 20% to 5% what is the reason ? and what is the solution?

There could be many causes and many solutions.  All of them start with creating a backup using iCloud or iTunes on your computer.  After that, try some of the steps written about in this blog;
http://www.overthought.org/blog/2014/the-ultimate-guide-to-solving-ios-battery-d rain
If none of that helps, you may consider putting the iPhone into DFU mode (Google it) which will reset the firmware that monitors the battery.

Similar Messages

  • HT4972 hi. my iphone 3gs was stuck on apple logo, does not charging. when i replace the battery, it works, my promblem not is, in can't or won't read the simcard. i cant activate my phone. even i put att simcard. how can i activate it? please help me. tha

    hi. my iphone 3gs was stuck on apple logo, does not charging. when i replace the battery, it works, my promblem not is, in can't or won't read the simcard. i cant activate my phone. even i put att simcard. how can i activate it? please help me. thanks.

    Apple recommends backing up the data when you're getting the battery replaced by them. So I assume that you will likely lose the data during this process.
    Will the data on my iPhone be preserved?
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    copied from Apple - Support - Service Answer Center

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    Hi everyone,
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    I had major issues with the iPhone 4s battery, however it’s resolved.
    The tech who set the phone up at the Apple store did so with little training.
    if you have a mobile me account. First go and move all your data to the cloud by going on your computer and logging in at me.com/move. The cloud has replaced mobile me, so there is no need for those two accounts
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    Hello,
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    Hey joshuafromisr,
    If you resintall iTunes, it should fix the issue. The following document will go over how to remove iTunes fully and then reinstall. Depending on what version of Windows you're running you'll either follow the directions here:
    Removing and Reinstalling iTunes, QuickTime, and other software components for Windows XP
    http://support.apple.com/kb/HT1925
    or here:
    Removing and reinstalling iTunes, QuickTime, and other software components for Windows Vista or Windows 7
    http://support.apple.com/kb/HT1923
    Best,
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    First you need to back up you iPhone.
    Then http://support.apple.com/kb/ht1414

  • HT201263 My I phone 5 got hot actually very hot.. Boiling hot and then the battery charge went from 100 to 50 and within a minute was shut down and never on again...I bought the phone from the apple store in manhattan new York I bout the unlocked phone

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    I appreciate the fast reply.
    Well, I checked the iphone and the battery charged going from the bolt to the plug in the upper right hand corner very quickly. On my other cell phones, charging took a REAL long time.
    Again, is this normal? I unplugged the iphone from the charger and I am going to monitor the battery power today. I find it odd that the battery would work on standby for 4 days without recharging the battery and then start doing something wacky. Any thoughts?

  • IPhone become hot and the  battery drop

    Hi All,
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    There is some application that is stuck trying to send data. The most common app to have this problem is email, but first try a full reset (if you haven't already: Hold the HOME and SLEEP buttons until an Apple logo appears, ignoring "Slide to power off",
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    <SPAN class=time_text>
    Message Edited by LA-SIRENE-ROUGE on 0-02-2005 09:25 AM

    I've been letting the battery drain completely, and charging it overnight, like for 5 days in a row.
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    Hello Teddy53149 and welcome to Apple Support Communities,
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