Open the Network page.
While in the Connectivity tab, scroll down and tap on Usage.
Select the timeframe using the tabs.
Select 24 hours, 7 days, or 30 days.
The total usage data, including the breakdown by upload and download, reflects the selected timeframe.
All devices that have connected to the network within the selected timeframe are listed in descending order, with the device with the highest usage at the top.
Tap on a device in the list to open its detail screen, which displays the total usage based on the timeframe previously selected.
Usage detail
The bar graph displayed under each device is broken down into sections.
The full length of the bar represents the total upload or download for all devices within the timeframe.
The dark blue portion of the bar represents the proportion of that device's downloads compared to the total download usage for all devices, which is represented by the full bar.
The light blue portion of the bar represents the proportion of that device's uploads compared to the total upload usage for all devices, which is represented by the full bar.