My WiFi and Bluetooth will not work on my iPhone

willdw Said:

"WiFi and Bluetooth greyed out: Thank you, I’ve gone into the Genius Bar 3 separate times for this. They say it’s not a hardware issue and advice was to reset phone to factory settings. It keeps coming back up :(“

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You are welcome.

Set this Up Anew, as If your were to Sell it:

How exactly are you resetting this to factory settings? Rather than doing so the manual way, there is a workaround that may fix all of this. Perform as instructed here, including the backup creation and iCloud logout: What to do Before you Sell, Give Away, or Trade in your iPhone or iPad - Apple Support