My name is ***** ***** certified professional with over 10 years experience. I will be glad to assist you with this.
I am sorry to hear that you are having this issue.
You will need to determine if this is a firmware or hardware issue.
Please follow these steps,
Then use iTunes to restore the iPhone.
Let me know if this does not work and we can try another solution.
Please reply and let me know if you need any other assistance or if everything is good, take a moment to rate my service by choosing one of the stars at the top, then click submit.
Thank you very much!