Sent_en: 2zh Systems which enable the iPhones for service had difficulty due to network failures and insufficient capacity to meet the demand for first-day sales, particularly in the United States at Apple and AT&T stores, and in Canada.
Sent_yy: 使苹果手机能够提供服务的系统由于网络故障和容量不足而难以满足第一天销售的需求，特别是在美国苹果和AT&T商店以及加拿大。