IPhone 4 switching itself off

My iPhone 4 running 5.0.1 switches off in my pocket. All it requires is to press the power button and wait the whole minute or so they take to boot. It has started in the last month or so, right as the warranty ran out. It is now switching off up to ten times a day, and has gotten even worse since restoring it. It has always has problem with lagging and with the reception dropping out constantly(even with a case) and when I complained to Vodafone (I'm in new Zealand) I was told it was normal and pointless to send it back. If I send it away it takes 2 weeks and that means I have a hard time doing my job as the iPhone is heavily relied upon unfortunately, and I don't have a spare to use in the meantime so I am asking if anyone has any ideas as to what this could be?
Everything else I have found on the internet like this requires the people to hard reboot, whereas mine only needs the power button pressed once.

Hi Everyone..
I can't stop myself from sharing this info about the topic. My Iphone4 is 10 days old now and goes in coma almost everyday sometime in night and comes back with hard reset in the afternoon. No idea who call me in that time only God knows.. so this is the problem...
What is the solution?? this morning I called my O2 Customer Service and they said they have never heard of such a thing so they advised me to go to O2 Store.Next thing I did I went to O2 store.They guy was last interested in listening what nightmare I am having and the guy over the counter helped me and I GOT it !
Solution (as advised): Switch off your IPhone at night before sleeping.I said oh really, are you joking? he said no and to prove what he has said he told me an example that our Iphones are like our cars and computers and as they need rest, IPhone needs it too. I could not believe what he just said..I waas quite surprized why is he there with such a vast knowledge and he said he has not heard anything like this with IPhone4.
anyway came back, called my helpline told this story as it is and the guy over the phone appologized for this offending help and advised go back to them ans ask for replacement as it i sin warranty.. Lets see what happens in morning but the question is "getting new iphone 4 will not resolve the issue so what is the solution"?????...
will update you tomorrow... LoL

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HT1267 What do I do if my iPhone just switched itself off and won't turn back on again? It does not even register power when I plug it in to my car or home charger or computer???

What do I do if my iPhone just switched itself off and won't turn back on again? It does not even register power when I plug it in to my car or home charger or computer???

If you hold the home button and power button for about 10 seconds it will turn back on. I have had his issue 3 times but don't know what fixes it for good

My iphone has switched itself off and will not turn on

Help!!!!, My I phone has switched itself off for no apparent reason today and now refuses to switch back on again!, hit has been working fine and is less than a year old.

Reset the iPhone by pressing and holding the sleep/wake button and the home button for 20 seconds (maybe longer) until the Apple logo appears, ignore the red slider. Then turn back on. You won't lose any data doing the reset.

IPhone 4S switched itself off and wont come back on. Please help?

Hi,
My iPhone 4S has started switching itself off randomly over the last week but would then switch itself back on several minutes later by itself. However, last night it switched itself off and no matter what ive tried it wont come back on. Ive tried the home+power button, connected to itunes and not, connected to itunes with the home button pressed. I rang the Geek Squad as I have insurance and they could suggest anything more. Im loathed to take it back to the shop as all the sales assistant will do is send it off, give me a rubbish temporary phone/brick and it will take ages to come back. I would be grateful if anyone can help please?

Hi, my phone eventually came back to life of its own accord the next day but with virtually no battery life even though I'd given it a full charge. After it came back on I plugged it in to be recharged but the back became very warm whilst the power drained quicker than usual after I unplugged it.
I took it to the Apple store later that day and thankfully the phone switched itself off again right in front of one of the Genius assistants. He couldn't diagnose the problem and so gave me a brand new handset straight away. Credit to Apple there and I'm so glad I didn't take it back to the car phone warehouse where I bought it from. They would have sent it away for tests for weeks.
I've had no problems with my new handset to date.

HT201412 My iphone 4S switches itself off regularly. The battery is well charged,however. So I don't understand what's going on. Anybody got any idea. Thanks a lots

My 4S keeps on switching itself off for no apparent reason. I've had to restore 3 times already. Does anybody have an idea ? Thanks

I should mention it is ios 6.1.3. The phone has now also started, after rebooting, showing the signal bars next to the wifi signal icon at the top but no "Sprint" type next to the bars as usual. And then after a few minutes it shuts down, shows the black screen with the white apple in the middle for a few moments, comes back up with the Waiting for Activation message, the signal bars pop up and the whole cycle just repeats itself.

Iphone 4 switched itself off and hasn't returned despite reset tips

I have plugged into the mains and the apple sign comes on, then it says data activation, so I click ok, then it says plug into itunes.
By the time I have plugged into lap top the message has disappeared. Itunes doesn't recognise it.
If plugged into laptop, apple sign flciks on, then off and repeats. Again Itunes isn't detecting it.
Can anyone help?
I am in UK any idea how much a service costs as warranty is up ;( ?
All responses appreciated.

This happened to me yesterday. This probably isn't any use to you now, but for others with this question. This morning I took the back off of my phone, and I took the battery out and plugged it in to my laptop. It immediately lit up. We put the battery back in and restored it and it works better than ever. Not sure if this will work for all, but it worked for me!

HT201407 Hello All, I bought an iPhone of eBay. It seemed fine until this morning when it switched itself off and now it won't come on unless it's plugged in. And even then it is asking that it needs to be activated, but it can't connect to iTunes. Any su

Hello All, I bought an Iphone of eBay. It seemed fine until this morning when it switched itself off and now it won't come on unless it's plugged in. And even then it is asking that it needs to be activated, but it can't connect to iTunes

Try Recovery Mode... http://support.apple.com/kb/HT1808

Recently, when I upgraded to iOS8.2, my iPhone 5c has been switching itself off randomly even when the iPhone says it still has plenty of battery left. Has anyone else had this after upgrading?

HI.
a Couple of weeks ago I upgraded to iOS 8.2 on my iPhone 5c. However, recently it has been switching itself off at around 20-40% for no apparent reason and then goes to the plug iPhone in screen.
please can someone help and let me know if they have had the same problem and how they resolved it
thanks in advance

This happens to me too. Went to the apple store and they check the battery life of my iphone. They took the iphone for 2 days and changed my battery for free. I hope this help you!

IPhone 4S Battery - Switching itself off

Hello,
For the past few months I've noticed a problem with my iPhone 4s.
When the battery drops below 50%, but usually arround the 20-40% mark it will switch itself off.
I try and turn it back on and it shows me the symbol that says it needs charging.
If i leave it for a few minutes (between 5 - 15) I'll be able to switch it back on and it'll show with 20/30/40% battery.
Or if I plug it in to charge it'll switch on immediately and again say I have 20/30/40% battery.
It used to happen once in a while, but then started to become more regualr, happening a couple of times a week.
So I took it into my local Apple Store and they ran a diagnostic on it, said that it wasn't showing a battery failure, but if I wanted to pay £130 they would replace the battery for me.
Has anyone else had this issue? It's completely random so hard to replicate in store, it just happens.
My iPhone is about 18 months old if that makes any difference.
Thanks

Forgot to say:
I've restored my iphone a few times since then and still happens.
And the woman at the Apple Store said she'd never come across this problem before.

My iphone switchs itself off and won't switch on again

Hey all, my iphone has taken to switching itself off and refusing to switch on again. If I leave it connected to my computer overnight it will usually start up again. What gives?

Perform a Reset...
Reset ( No Data will be Lost )
Press and hold the Sleep/Wake button and the Home button at the same time for at least ten seconds, until the Apple logo appears. Release the Buttons.
http://support.apple.com/kb/ht1430
If no joy...
Connect to iTunes on the computer you usually Sync with and “ Restore “...
http://support.apple.com/kb/HT1414
If necessary Place the Device into Recovery mode...
http://support.apple.com/kb/HT1808

Ive had my iphone 4s since 10th april and on three seperate occassions its switched itself off completely (whilst having battery) it then wont work for around 2 days, this is very annoying and I dont know what to do as its been out for around 12hours now

I don't know why my phone keeps switching itself off, I've never dropped it, had water damage nor any other damage to it. Ive had it for around 5 months or so now and it just likes to switch itself off for around 30-40 hours then work again as though nothing happened. Although this is great as it will eventually work its very frustrating not knowing if it will switch on again.. at the minute my phone hasnt worked for about 10-12 hours. I went in to the apple shop and they said they couldnt see me for over a week as they were fully booked, I understand that theyre busy but surely they can't expect me to go without a phone/alarm/email for that time when I am paying for it. Does anyone have any help/advice they can offer? Thanks

Standard troubleshooting...
1. Try a Restart by pressing the sleep/lock button until you see the slider. Slide to power off. Restart by pressing the sleep/lock button until you see the Apple logo.
2. Try a Reset by pressing the home and sleep buttons until you see the Apple logo, ignoring the slider if it comes up. Takes about 5-15 secs of button holding and you won't lose any data or settings.
3. Remove apps from Recently Used list...
- From any Home Screen, double tap the home button to bring up the Recents List
- Swipe up on the app preview card
- Press the home button when done.
4. If still a problem restore with your backup.
5. If still a problem restore as new, i.e. without your backup. See how it runs with nothing synced to it.
6. If still a problem, it's likely a hardware issue.

My iPad switches itself off when I'm on the Internet help

When I'm using my iPad on the net it switches itself off and I'm having to turn it back on again and out in my password I only want to use it properly

Hi Lisah,
It sounds like you may have some corrupted files in the operating system -- when built-in apps and features like Camera and Siri malfunction, corrupted files are often the culprit. There are a few things you can do to fix this -- first thing I'd recommend would be to back up your device to make sure you have all of your current data and settings saved. Back up and restore your iPhone, iPad, or iPod touch using iCloud or iTunes - Apple Support
After backing up your data, try resetting all settings in Settings > General > Reset. Try the camera and charger again to see if you still see the same strange behavior. If so, there's likely a corrupted file in the iOS installation. It's pretty easy to reinstall the operating system files to fix this -- you will need a computer with internet access. Follow the steps in Use iTunes to restore your iOS device to factory settings - Apple Support to completely reinstall the iOS files and get a fresh, clean installation.
After using iTunes to restore the phone, go through the setup assistant on the phone and choose the option to Set up as a new iPhone. Set it up as new and test the camera again -- if it works this time, that's a good sign! After making sure it works properly, you can restore from the backup that created before doing all of the resets and restores. This will bring your content and settings back to the phone.
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My i phone 4 keeps switching itself off

Does anyone have an issue where the I-phone 4 just switches itself off, and the only way to get it running again is to connect to the charger and switch it on , it then comes up with a message to say the battery level is it 30% ?

I have the same issue! In fact I posted this exact question!!
Hugh Grest wrote previously:
Hi,
My iPhone 4s 16GB is giving me a lot of issues with its battery as of late. Once the battery level reaches below about 30% the phone randomly turns itself off -- even if the battery level didn't reach zero. When I try to turn it back on, it just shows the out of charge symbol on the screen. When I plug it in however it turns itself back on immediately and shows the battery level it turned itself off on. I can then unplug it and continue to use it until the battery level drops to zero or the issue happens again.
Both my mom and my sister have the same model iPhone as me and do not have this issue. What should I do? (It has already been restored).
Additional info:
- My Phone is about 23months old
- Running iOS 6.1.3
- This issue has been happening for about 3 months or more
EDIT: Just upgraded to iOS 7... didn't help. Infact it made it worse! The phone battery now drains quicker which means the issue happens sooner!
This is so annoying!

My phone although fully charged has just switched itself off and won't turn back on again! I'm just coming to the end of a 2 year contract and never had any problems with it. Help please!

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Start here
http://support.apple.com/kb/HT1430

My iphone 4s shuts itself off for no reason

HI ive recently bought an iphone 4s, which has started switching itself off for no reason, the battery is fine and im shutting down all open apps ( a common battery drain - ive seen people complaining about the lack of battery whilst unaware that all their apps are still running).
Any ideas anyone?
cheers
dave

Start with the basics. Try to Reset your device.
Press and hold both the Sleep/Wake button and the Home button for at least ten seconds, until the Apple logo appears (ignore the Slide to Power Off that shows up first).

IPhone 4 switching itself off

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