刚重刷了下机，没插卡在里面，结果激活时出现“We're sorry, we are unable to continue with your activation at this time”提示。百撕不得骑姐，原来iPhone激活时需要有有效的SIM卡在手机里。我咋忘这回事儿了。。插入卡后正常激活，特此记录！