iCloud®
Make sure you are connected to a Wi-Fi Network.
Tap Settings > Tap iCloud
Verify that iCloud Backup is On
Tap Back Up Now
Wait for the progress bar completes the backup
iTunes®
Open itunes and connect your device
Tap Trust This Computer
Choose your device in the iTunes Window and follow the onscreen instructions
iTunes®
Settings > iCloud then tap turn off Find my iPhone
Follow the on screen instructions
From iCloud.com
Sign in at iCloud.com with the AppleID you used on the device
Make sure the device is not connected to any networks
Select the device on the Find My iPhone screen
Select remove from account
Remote Support Link
Click Here For Remote Support
Submit a Service Request
Click Here to Submit A Service Request