Mobile > Devices report shows which types of mobile devices visited a website.
- Technology > Network report
- All traffic > Source/Medium report
- Site Content > Landing Page report
- Mobile > Devices report
The correct answer is “Mobile > Devices report“
The Acquisition Device report combines attribution and traffic metrics so you can see the relationship between acquisition and conversion.
With this (Mobile > Devices) report, you can find out how many users you acquired on one type of device convert on that same type of device, how many convert on a different type of device, and how many don’t convert at all.
You can see the brand and model number of mobile devices using the Mobile > Devices report. See which mobile devices are being used to interact with your content. To access this report, go to Audience >> Mobile >> Devices in your Google Analytics account.
Read more here: https://support.google.com/analytics/answer/3123672