Hi, 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.
I am sorry this happened. This could be a glitch in the software and the iPhone needs to reboot, lets try and force a reboot > Hold the home button and the power button down for about 30 seconds or until the Apple logo appears on the screen, then release both buttons. Then try the fingerprint again and let me know please.
okay, no problem. Try these steps and let me know when you are available.
First you will need to log in to icloud.com, click on the link >>>>here<<<<
Then when you open icloud.com on your computer you will need to enter the apple id and password ***** was used to activate the iphone when you first set it up.
If you do not remember the apple id, it is usually the same as your current email address, you can choose I forgot my apple id on that screen also.
When you have successfully logged in to icloud you will need to turn off find my iphone. Then follow these steps please>
Please follow these steps, make sure that you have the latest version of itunes installed on your computer>>>click here for itunes download<<