Answer: Device channel is not included in the default Channels report.
- Direct
- Organic Search
- Device
- Display
Explanation: The default system channel definitions reflect Analytics’ current view of what constitutes each channel in the Default Channel Grouping.
Default channels are Direct, Email, Organic Search, Social, Affiliates, Referral, Paid Search, Other Advertising, and Display.
When viewing the default Channels report, Device channel is not included in the default channels report
Read More Here: https://support.google.com/analytics/answer/3297892
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