Diagnostics & Usage Data →

Joe Caiati, on iOS’ built-in troubleshooting tools:

I would liken the Diagnostics & Usage Data section to the Console on the Mac. There is a lot of noise in there, but sometimes you can find important information about issues related to your device. At its most basic definition, the Diagnostics & Usage Data section is a log of system events that happen on your iOS device. This log isn’t tracking your every move, but it is creating entries whenever events like an app crash happens.

I’ve never spent much time looking at this data; reading Joe’s post has taught me a lot about what iOS can self-report.