Q: Why does my iPhone drained so fast?

Hi,

This is about my iPhone's battery. Before I went to sleep lastnight it has 100% battery percentage and when I woke up this morning the battery has only 80%. I am wondering why my battery drained so fast that it was in the standby mode. One more thing is that the standby mode and usage time is almost the same (usage time 12hr,48 minutes and standby 13 hr, 10 minutes). My phone is just new. I just bought it lastweeek but this never happened for the past few days it's just today.

*Lastnight I was using snapchat, instagram, facebook and facebook messenger. It went below 20% so I charged it. And I haven't used it after it was fully charged.

iPhone 6s 64gb

ios 9.2.1

Posted on Feb 11, 2016 9:11 PM

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Q: Why does my iPhone drained so fast?

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by Ingo2711,

Ingo2711 Feb 11, 2016 10:50 PM in response to whiteangel023
Level 7 (25,977 points)

iPhone

Feb 11, 2016 10:50 PM in response to whiteangel023

Probably apps running in the background are causing this, sometimes Mail get's stuck connecting to the mail server, or some social media app like Facebook can also be a reason for prolonged background activity.
Try to force restart the phone by holding the sleep and home button for about 10sec, until the Apple logo comes back again. You will not lose any data by doing that, but it can cure some glitches.
If this does not help, setting it up as new device would be the next step:
How to erase your iOS device and then set it up as a new device or restore it from backups

Maybe also take a look at this page about battery drainage
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by whiteangel023,

whiteangel023 Feb 12, 2016 1:49 AM in response to Ingo2711
Level 1 (0 points)

Feb 12, 2016 1:49 AM in response to Ingo2711

So what is the best way to fix this? Please heelp. These are the apps that using my battery.
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by thunderzzz,

thunderzzz Feb 12, 2016 2:01 AM in response to whiteangel023
Level 6 (8,379 points)

Notebooks

Feb 12, 2016 2:01 AM in response to whiteangel023

Battery Saving Tips for Your Beloved iPhone
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by Ingo2711,

Ingo2711 Feb 12, 2016 4:17 AM in response to whiteangel023
Level 7 (25,977 points)

iPhone

Feb 12, 2016 4:17 AM in response to whiteangel023

Identical Usage and Standby times point to apps still running in the background. Force restarting should close all apps running in the background.
As a test, also disable Auto-downloads for music, apps, books and updates in Settings/iTunes&AppStore.
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Q: Why does my iPhone drained so fast?

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by Ingo2711,

by whiteangel023,

by thunderzzz,

by Ingo2711,

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