Greyed out Wi-Fi on my iphone?

Okay i've read all this stuff online about t. I restored it and all that fun stuff. And surely enough it wasn't working.wo i took it to my cell phone provider and they checked it all out and said my phones Wi-Fi receptor is messed up. So they got apple care to send me a new one for free. And now i'm going to get the new phone today. So i restored my old one to give back to them. And all of a sudden with none of my back up on there the Wi-Fi works? I have not seen this issue with anyone else. But yeah as of now my phone is working and i'm wondring what the hell is up with that

Driver conflict somewhere, not that uncommon actually.

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