Wi-Fi won't turn on iphone 4s? - 1

Wi-Fi won't turn on iphone 4s?

Try these:
~Restart/Reset Your Wi-Fi
~Restart Your Phone
~Make sure you have selected your Wi-Fi on your phone's setting
~Try to press the "Forget This Network" button. Then search again for your Wi-Fi and enter your correct password(optional)

Hope that works