I used Siri often when I had my 4s. I don't recall having many problems other than connection issues once in a blue moon. Now, with my 6 plus, I'm discovering Siri to be just about useless. One example is asking her to contact a local restaurant in my area and she continued to give me locations in California (I'm in Michigan). Other times she explains I cannot provide your request, please try again later. Anyone else having problems with using Siri? I'm trying to determine if it's my phone or perhaps an upgrade issue.