IPhone 3GS Shuts Down When I Get To 20% Battery - Battery Doesn't Last

So like everyone now, I'm experiencing battery issues on the 3GS after upgrading to 4.3. My phone can barely get through a 5 hour day at school & it's dead before I even get to work at night. I'm constantly having to keep my phone plugged in to the external battery I bought. My 3GS also automatically shuts down as soon as my phone reaches 20% battery. This never happened before iOS 4.3. Used to be the phone shut off at 2% battery, not 20%. Anybody else experiencing this? I hope this gets fixed in an upcoming update soon.

I have exactly the same issue with iPhone 4 iOS 4.3.3 getting empty battery shutdowns at 20% then at more than 20 % seems to be poor calibration but I don't know how to reach 0% if it keeps shutting at 20% anyways charging to 100% then restoring appears to solve the problem but it's only a matter of time then the problem comes back ... Any ideas

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Why does my iphone 3gs shut down when battery gets to 80%? have installed new battery and nothing changes?

Why does my iphone 3gs shut down when battery shows 80%. a couple of months ago is shut down at 60% but has continually gotten worse. this was before 5.0. i took it to a repair man and he tried a used battery, a new battery, and the original battery. nothing helped. 5.01 didnt help either. What is my problem?

Fully discharge the battery (till it shuts down and won't turn on) and then fully recharge it (100%). This will recalibrate the battery meter. You may need to do this a few times.

IPhone 3GS Shuts Down when receiving a call

My wife's iPhone 3GS has an odd problem - sometimes - but not always - when an incoming call comes in the phone shuts down. The phone doesn't ring (or vibrate) it immediately shuts down to the power off state - and it's only after a while that I realise the phone is off - later I find out someone tried to call.
Has anyone else seen this problem?
It's a 32GB 3GS on the latest firmware 3.1.2 (7D11) and 05.11.07.

I'm having exactly the same issue with my iphone, and same specs. It's a new work phone so discussed with IT manager. She advised returning it so it could be sent back for repair. Would be interested if you have heard of any other fixes as not keen to be without the phone, although that needs to weighed against the fact it randomly shuts down when a call comes in!

Iphone 4s shuts down when it battery life gets to about 17%. prior to IOS 7 it would shut down at about 1%. What's up? (Oh, when I plug in recharge, the battery indicates it's at 17% or so. So, I'm not referring to battery drain).

My iPhone 4s shuts down when battery indicater reaches about 17%. When I recharge, indicater shows about 17%, so apparently this isn't fast battery drain. Oh, this happens since IOS7.

See if your phone is one that Apple has noted as requiring a replacement battery: https://www.apple.com/support/iphone5-battery/
~Lyssa

IPhone 3GS shutting down randomly...

Hi,
I was wondering if someone has experienced an issue where an iPhone 3GS shuts down randomly. The issue started tonight just a few minutes ago, the only thing I installed yesterday was iOS 5.0.1. Personally, I don't know what has happened, I do know that my brother has downloaded some songs using the Download Lite App from the App Store. Curiously the issue started occuring after the downloaded one song using that app, but other than that I can't find a problem indicator.

I also having the same issue with my iPhone 3GS with iOS 5.0.1, except most the day went by okay for me until near the end of the day. Perhaps I don't use my iPhone as frequently as you guys are but when I really on to something on it, it just shuts down like a Window virus. (hehe)
Also find some more details on my similar post:
https://discussions.apple.com/thread/3488779
Thanks for sharing comments/problems guys. It really means a lot.

Iphone 3gs shuts down & reboots on its own.

The 2 yr old iphone 3gs shuts down on its own and the silver apple icon pops up ~ the phone boots itself up. This has been happening more frequently, since Dec 2010. I could be on the internet, or using any app and it does this. A couple times I had to simutaneously hold down the power and home buttons to turn on the phone, and, or, unfreeze the phone. I always charge my phone, and regularly sync it with the latest upgrade(s). What is going on?

I had this, but I have now rectified the issue. It's an app?
I de-selected all my apps and just left the standard ones on.
I did a full restore from backup but did not sync any apps.
Problem solved, no more dropped calls. No more apple logo for no reason.
I am slowly re-adding my apps, 1 or 2 at a time, I have over 150 so it may take a while but so far I have reloaded about 10 of my most used ones and still everything fine. I will find the one that caused the problem eventually!!
Happy bunny again though, as I have a phone that can actually make a call for more than 5 minutes!!

My iphone keeps shutting down when i try to edit a picture

My iPhone keeps shutting down when I try to edit a picture.

Submit a bug report at http://apple.com/feedback/iphone.html

HT201401 IPhone often shuts down when it's comes about a 15 - 20 percent

IPhone often shuts down when it's comes about a 15 - 20 percent,
And when trying to turn it on appears on the screen there is a need to plug in (to charge).
After connecting to charger (after 5 seconds or so) the device turns on as if nothing had happened, and continues to work regular

That might occur if you're using the iPhone in low temperatures as the battery decharges quickly in lower temps. If you're using the phone at a normal room temperature I have no idea why your phone shuts off at as high as 20%. Also, if you use your phone in too high temperature areas the battery lifespan will decrease. The more you
Anyway, at least one time a month you should run the iphone down to 0% (or as low as you can go) and then completly charge it. Don't do any 5 minute charges, just go from what ever percent you're at and run it down to zero then recharge to full.

Why does iphone 3gs shut down by itself?

Why does iphone 3gs shut down by itself?

Its pobably running out of battery, Try plugging it in.
I Hope I Was Able To Help You Or Solve Your Question.
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3/12/2012
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My iPhone 4s shuts down with just less than half the battery remaining

My iPhone 4s shuts down with just less than half the battery remaining. Is my battery shot?

Hi LucMiranda,
Thanks for visiting Apple Support Communities.
It sounds like your iPhone is not behaving correctly. The steps in this article can help with troubleshooting the battery issue you're seeing:
iPhone and iPod touch: Charging the battery
http://support.apple.com/kb/HT1476
iPhone or iPod touch displays the low-battery image and is unresponsive
If you see the image below, charge the iPhone or iPod touch with USB power adapter for at least 15 minutes.
You should see this image when iPhone or iPod touch begins to charge:
If the screen still displays the low-battery icon, try turning the iPhone or iPod touch off and then on again.
If the issue persists, follow these troubleshooting steps.
Cheers,
Jeremy

My IPhone 3GS shuts down

My IPhone 3GS shuts of while making a call & when the wifi is on. I need to connect it to power to put it on. What's to be done? Thanks, E. Frank

try a reset, hold down the home/power button together for 10 to 15 secs or until you see the apple logo and then release. Then wait for you phone to boot back up.

My iPhone automatically shuts down when the battery reaches 50%. How can I resolve it?

My iPhone 4 iOS 7.0 automatically shuts down when the battery charge reaches 50%. Is it a battery problem or is it the phone?

Thanks, you're a life saver. Here is the report:
AC Power:
System Sleep Timer (Minutes): 10
Disk Sleep Timer (Minutes): 10
Display Sleep Timer (Minutes): 10
Automatic Restart On Power Loss: No
Wake On AC Change: No
Wake On Clamshell Open: Yes
Wake On LAN: Yes
Display Sleep Uses Dim: Yes
Battery Power:
System Sleep Timer (Minutes): 10
Disk Sleep Timer (Minutes): 180
Display Sleep Timer (Minutes): 2
Wake On AC Change: No
Wake On Clamshell Open: Yes
Display Sleep Uses Dim: Yes
Reduce Brightness: Yes
Battery Information:
Battery Installed: Yes
First low level warning: No
Full Charge Capacity (mAh): 3004
Remaining Capacity (mAh): 2994
Amperage (mA): 0
Voltage (mV): 12385
Cycle Count: 41
AC Charger Information:
Connected: Yes
Charging: No
Hardware Configuration:
UPS Installed: No

IPhone 6 shutting down when apps crash

Some of my apps are crashing and causing the iPhone to shut down and then I have to hold the button for it to reboot. I tried deleting and reinstalling the apps that are causing the crashes but that didn't work. I have the same apps on my iPad which also has iOS 8 but the problem isn't happening on the iPad only the iPhone does anybody have any thoughts?

Hey sjam,
Thanks for the question. I understand that you are experiencing issues with a few purchased applications. The following resource should help you troubleshoot:
iOS: An app you installed unexpectedly quits, stops responding, or won’t open
http://support.apple.com/kb/ts1702
If your issue persists you can follow the last step to contact the developer of the app for help.
Thanks,
Matt M.

IPhone 5 shuts down while still having more than 15% battery remaining

I've been using my iPhone 5 for a while and a few months back it started to shut down when it still had 10% battery remaining.
I tried to send it to repair while it still had coverage but they told me that my phone was OK and that with the iOS 7 update it would get better. They also told me that it was a normal behavior, and this was supposed to happen if the remaining battery wasn't enough for the phone to operate (e.g. if there was an opened app needing a lot of power). So, since then I always close the apps that I'm not using but this hasn't solved anything.
Since I updated, the issue has just gotten worse. Now it's shutting down when it has 15%-20% battery.
Does anyone else has had the same issue?

Most likely faulty battery. If you have convenient Apple Store, make reservation and then go and ask for free quick battery diagnositic testing. Also refer them to your previous attempt to take care of this while still under Warranty.

IPhone 3GS shuts down randomly when SIM card is in

without SIM card it works properly! I have updated to iOS 5.0.1, also got a new SIM card from our provider, without results. iPhone shuts down and reboots every 5 minutes when SIM is in. Does anyone has the same problem? What can I do besides sending it to the Service?
Would a resetting help?

Some Users have Reported that a Restore as New has helped Resolve issues...
Backup and Set Up as New Device
http://support.apple.com/kb/HT4137
Try this First..
Turn the Phone Off...
Press and Hold the Sleep/Wake Button and the Home Button at the Same Time...
Wait for the Apple logo to Appear and then Disappear...
Usually takes about 15 - 20 Seconds... ( But can take Longer...)
Release the Buttons...
Turn the Phone On...

IPhone 3GS Shuts Down When I Get To 20% Battery - Battery Doesn't Last

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