I've never worked in Xcode before since I just make my games in unity; however, one of the ad plugins I'm using wants me to perform the step below. How exactly do I add that framework in xcode(Also do I need to download the framework online or is it already included)?
*— Step 4: Add CoreTelephony to your iOS project (iOS only)
Add the CoreTelephony
framework to the Xcode project that Unity generates.*