I PHONE 4 shuts down and restart by itself

I had this problem for some time. Prior to doing it every two or three months. In recent days, first I could not turn on. When I finally made it working now. He shuts down and turns on himself. When working on it just stops, hangs up and turns off and restart again. Has anyone has a similar problem? How ga rid of?

Yes, it is entirely possible.
Although in most countries Apple offers an out of warranty replacement for a nominal fee.  In the US it is $199 for the 4S and $149 for older generations of the iPhone.  Depending on where you are, that may be an option.

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    Hi dandedoes, 
    Welcome to the community! Since you're new please be sure that you have checked out our Discussion guidelines.
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    Dear Customer,
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    Please perform the below shown steps to resolve the isssue:
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    "I work for Hewlett-Packard"
    * * * * * Click the "Purple Thumbs Up Icon in the lower right corner of a post" to say thanks * * * * *
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    Try:
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    1. This is a comment on what you should and should not do to protect yourself from malicious software ("malware") that circulates on the Internet. It does not apply to software, such as keystroke loggers, that may be installed deliberately by an intruder who has hands-on access to the victim's computer. That threat is in a different category, and there's no easy way to defend against it. If you have reason to suspect that you're the target of such an attack, you need expert help.
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    OS X now implements three layers of built-in protection specifically against malware, not counting runtime protections such as execute disable, sandboxing, system library randomization, and address space layout randomization that may also guard against other kinds of exploits.
    2. All versions of OS X since 10.6.7 have been able to detect known Mac malware in downloaded files, and to block insecure web plugins. This feature is transparent to the user, but internally Apple calls it "XProtect." The malware recognition database is automatically checked for updates once a day; however, you shouldn't rely on it, because the attackers are always at least a day ahead of the defenders.
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    An App Store developer could find a way to bypass Apple's oversight, or the oversight could fail due to human error.
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  • My New BlackBerry Q10 often shutting down and restarting automatically

    Heyaaa Guys,
    Hope you all rocking there!
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    shakir_noble wrote:
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    If anyone has been helpful to you, please show your appreciation by clicking the button inside of their post. Please click here and read, along with the threads to which it links, for helpful information to guide you as you proceed. I always recommend that you treat your BlackBerry like any other computing device, including using a regular backup schedule...click here for an article with instructions.
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    BSCF General Channel
    PIN: C0001B7B4   Display/Scan Bar Code
    Knowledge Base Updates
    PIN: C0005A9AA   Display/Scan Bar Code

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