If you’re engaged in any activity that drains your iPhone’s battery and you notice an orange dot on the screen, you ought to be cautious.
Considering the wide variety of uses for phones, it makes perfect sense to provide consumers with a way to learn about things they might not be aware of but need to understand.
The orange dot is there to notify you of something. Depending on what you’re doing, it could be a harmless message or something more concerning.
Simply put, that orange dot indicates that an app is using the phone’s microphone. In many cases, that’s completely fine.