Find Out How Healthy Your iPhone Battery Is
Having problems with your iPhone's battery? Full charge not lasting as long as usual? iPhone shutting down randomly? Check the 'Battery Health' tab.
Check Your Mac's Battery Level from the Command Line
This guide explains how to find out information about the state of a Mac's battery from the command line.
Make Your iPhone's Screen Rotate When You Turn It On Its Side
Has your iPhone screen stopped (or started) rotating when you physically turn the device on its side?