Final answer:
To access the Control Center circle on your iPhone, swipe down from the top-right corner of the screen (iPhone X or newer) or swipe up from the bottom of the screen (iPhone 8 or older). This allows you to quickly toggle settings and access various features.
Step-by-step explanation:
To access the Control Center circle on your iPhone, swipe down from the top-right corner of the screen (iPhone X or newer) or swipe up from the bottom of the screen (iPhone 8 or older). This will bring up the Control Center, which is a convenient shortcut menu that includes various settings and features.
In the Control Center, you will see a circle with various icons representing different controls and functions. These icons allow you to quickly toggle settings such as Wi-Fi, Bluetooth, volume, brightness, and more. You can also customize the Control Center to add or remove specific shortcuts based on your preferences.