The indicator, visible as a colored circle at the top of the iPhone screen, signifies active microphone or camera usage by an application. For example, when recording a voice memo, an icon appears, signaling that the microphone is currently in use.
This feature enhances user privacy by providing a clear, visual cue regarding when these sensors are being accessed. Its implementation builds upon the operating system’s existing security measures, offering greater transparency and control over application permissions. The introduction of this indicator addressed growing concerns about unauthorized sensor access, empowering users to make informed decisions about application behavior.