1. Signature
After Unity packages the ios project, open it with xcode.
There is an error as shown in the figure:
1. An enterprise account is required, or a personal account is added to the enterprise organization .
Only then will there be a "planned resource" section related to creating a certificate:
2. Create a certificate signing request
2. Release
The development mode is used for testing, and the release mode is used for the app store.
The devices used for testing (iPhone, iPad, etc.) need to be associated, connected through a usb cable, built in xcode, and the corresponding app will be generated to the device.