My iPhone 5 power button stopped working?

So lately I realized it was harder to turn my iphone off. I realized this problem as soon as I downloaded IOS 7.1.2. Only the very edge of the left part of the power button is working. If I press the whole button it doesn't work at all. I also have to press it harder than usual to either lock it or turn it off / on. You really need help? What can I do? I have read about this on google, but all it said is to restart your phone (when I do that Siri turns on) or to replace/fix the button at an apple store, but really? It that even possible without either completely breaking the button or even the acctual iphone? Please I really need help… Quick! It's really worried and it's getting worse (harder to turn it off/on) every day.

It's your lucky day IF you are referring to the top button. See the links.
http://www.dailymail.co.uk/...aints.html

https://ssl.apple.com/support/iphone5-sleepwakebutton/

If you really mean the home button on the lower end of the face, there's an option for that too. Best luck.
http://www.imore.com/...tive-touch

http://www.icreatemagazine.com/tips/how-to-fix-a-broken-iphone-home-button-with-assistive-touch/

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