Device and app information</strong>– this category includes your device’s type and model, system language, the device’s operating system (such as Android or iOS), SDK version, mobile carrier name, mobile browsers installed on the device (such as Chrome or Safari, your device’s IP address, and identifiers assigned to your device, such as its iOS Identifier for Advertising (IDFA), Android Advertising ID, or other types of unique device identifiers (a number uniquely allocated to your device by your device manufacturer).</li> <li> <strong>