My iPhone 3Gs Wi-Fi is grayed out and it won't turn back on?

My Wi-Fi worked perfectly fine until last week, when the option to turn on and off the Wi-Fi grayed out. I tried restoring the network settings, and I just did a complete restore and nothing changed. Is there another way out there that will fix this?

Iphones suck. Especially one years old. Get a new phone. I recommend a Samsung galaxy s3 or s4

Turn the phone off for 5 minutes, and then turn it back on.

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