IPhone repeatedly shuts off?

So since yesterday, my iPhone has been randomly shutting off. When it shuts off, it first freezes the screen and has weird lines as if the screen is messed up. It then proceeds to try to restart itself. The black screen with the apple symbol shows up, but before my phone will actually turn on, the screen gets weird again and shuts off, and then tries to restart itself over and over in the same way previously mentioned. The only way I've found to stop this cycle is to hold the power and home buttons when the phone is *trying* to power on, to actually shut it off. I then have to wait a few minutes before I can turn it on like normal again. Eventually, though, it will repeat the process.
This is a new iPhone, and I haven't found the powering off to be related to any specific apps. I haven't downloaded any new apps super recently, and I don't see the battery percentage changing drastically for no reason. Any ideas what could be wrong?

I got the same problem and so has my wife. My old iphone was replaced last week with a brand new (I hope) iphone. But already during the first phone call it sudden shuts off by itself en then comes back to life again. My wife's phone has the same problem for weeks or maybe months.
Her phone does after the shutting off/down not "remember" the last conversation or only a few seconds of it. Also she sees that not all phone calls coming in or going out are registered. They do not show up on the recent call list.
now to the next thread on network problems... what is going on with Apple? Too many mistakes. Hope they can recover as after 15+ years of using Apple I hate to think of looking for alternatives...if they exists :-D
Jeroen

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Hold down sleep wake button and home button down for 18-20 sec to restart the phone.

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All of a sudden my Iphone 4 shut off amd will not TURN ON AT ALL. Ive tried everything from holding the buttons to plugging in the usb to a computer and opening my Itunes. I cant get it to turn on...Please anythoughts???
<E-mail Edited by Host>

It was a very bad idea to post your email address where millions of people will see it. Expect your spam to increase exponentially, as well as the phishing attempts. It would probably be a good idea to change your password to a really strong one, and, as you have gmail, look into Google's two factor authentication.
For your problem, see: What to do if your iPhone will not turn on

My iphone 4 shut off and will not turn back on

My iphone randomly shut off will not turn back on. it isn't dead, but I even plugged it in for over an hour still nothing. I already tried the home lock button and that doesn't work either

Hi there,
You may want to take a look at some of the troubleshooting steps found in the article below.
iPhone: Hardware troubleshooting
http://support.apple.com/kb/ts2802
Will not turn on, will not turn on unless connected to power, or unexpected power off
Verify that the Sleep/Wake button functions. If it does not function, inspect it for signs of damage. If the button is damaged or is not functioning when pressed, seek service.
Check if a Liquid Contact Indicator (LCI) is activated or there are signs of corrosion. Learn about LCIs and corrosion.
Connect the iPhone to the iPhone's USB power adapter and let it charge for at least ten minutes.
After at least 15 minutes, if:
The home screen appears: The iPhone should be working. Update to the latest version of iOS if necessary. Continue charging it until it is completely charged and you see this battery icon in the upper-right corner of the screen . Then unplug the phone from power. If it immediately turns off, seek service.
The low-battery image appears, even after the phone has charged for at least 20 minutes: See "iPhone displays the low-battery image and is unresponsive" symptom in this article.
Something other than the Home screen or Low Battery image appears, continue with this article for further troubleshooting steps.
If the iPhone did not turn on, reset it while connected to the iPhone USB power adapter.
If the display turns on, go to step 4.
If the display remains black, go to next step.
Connect the iPhone to a computer and open iTunes. If iTunes recognizes the iPhone and indicates that it is in recovery mode, attempt to restore the iPhone. If the iPhone doesn't appear in iTunes or if you have difficulties in restoring the iPhone, see this article for further assistance.
If restoring the iPhone resolved the issue, go to step 4. If restoring the iPhone did not solve the issue, seek service.
Griff W.

Iphone 4 shut off

iphone 4 shut off and wont restart

The Basic Troubleshooting Steps are:
Restart.. Reset.. Restore from Backup.. Restore as New...
Try a Reset of the Phone... You will Not Lose Any Data...
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...
Release the Buttons...
Turn the Phone On...

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Welcome to the discussions,
normally you could try to reset the phone by holding the sleep and home button until the Apple logo comes back. But since the sleep button is unresponsive, try to restore "as new iPhone", if necessary without using the backup afterwards, in case the backup contains corrupt data.
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So Brad, just an update...
My phone periodically works and then it doesn't. The battery percentage indictator still continues to remain at 100% charge though I know common sense would tell me that the battery percentage would be decreased if the phone sat unplugged and on all day long. When then phone does work, I try to restore it, but iTunes keeps saying that there must have been a connection failure and iTunes had to stop downloading. FYI- I have no connection issues with my Internet.
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IPhone repeatedly shuts off?

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