My name is***** am sorry to hear that you are having this issue.
I will be glad to assist you with this. You will need to connect the iPhone to a computer that has the latest version of iTunes installed on it and restore the ios on the iPhone.
Do you have a computer with iTunes software installed on it?
You can reply to me here by typing in the box below please.
Your iTunes program should come up with a message that says "iTunes has detected an iPhone in recovery mode"
Please reply and let me know if you need any other assistance,
Also, please take a moment to rate my service by choosing one of the stars at the top then click submit.
did that work for you?