Process of Crashlytics distribution for users Detail in Chinese: https://cg2010studio.com/2015/02/13/ios-%E7%99%BC%E4%BD%88%E7%89%88%E6%9C%AC%E7%B5%A6%E4%BD%BF%E7%94%A8%E8%80%85%E6%B8%AC%E8%A9%A6-crashlytics-distribution-for-user-test/Read less