Hello handydanial,
Welcome to Apple Support Communities!
If we understand your post correctly, the Wi-Fi on your phone is greyed out and you're unable to use Wi-FI at all. We're happy to help out!
Try the steps provided in the article below for help with connecting Wi-FI to your phone.
If your iPhone, iPad, or iPod touch won’t connect to a Wi-Fi network
Take a look at the article below and see if possibly there might be some of kind interference that is causing your Wi-FI to be greyed out.
Resolve Wi-Fi and Bluetooth issues caused by wireless interference
Also, take a look at this article for recommended Wi-FI settings: Recommended settings for Wi-Fi routers and access points
Does this only happen when you are connected to your home Wi-FI or does this happen when connected to any Wi-FI?
Let us know if you have any questions.
Thank you for using Apple Support Communities.
Take care!