Q: DELAY IN CALLING AFTER UPGRADE IPHONE 6

Hey garcib,

Thanks for the question. I understand that you are experiencing some issues when you place a call on your iPhone 6. While the following resource is used to troubleshoot being able to make or receive calls altogether, some of the steps may help to resolve your issue:

If you can't make or receive calls on your iPhone - Apple Support

http://support.apple.com/en-us/HT204027

Thanks,

Matt M.