How can we force update our devices to FireOS 7.3.1.5 to be able to test what users are seeing?
Searching for system updates with WiFi on tells us that FireOS 7.3.1.4 is the latest version.
The list of latest FireOS versions on https://www.amazon.com/gp/help/customer/display.html?nodeId=G2JXLC4L34GX73TE has 7.3.1.4 as the latest version