How 'Mobile Carrier' dimension works and what represents none in the breakdown?
I have been trying to use Adobe Out-of-the-Box metrics for Analytics. One of them is 'Mobile Carrier' that helps to identify visitors profile using mobile devices to visit the site. However, when used it the dataset showed breakdown that consists of 'None' segment in it. Wondering what this 'none' segment is representing since it shows a significant number of viaitors in it.
Would appriciate if someone can explain how the 'Mobile Carrier' works?
Thanks.