Thank you for choosing the FedEx® Mobile app.Here is what you will find in this release: • Receive a sound notification of your delivery when you turn on sound in your app settings • Bug fixes, design enhancements and other ongoing performance improvements 如发现版本老旧,欢迎邮件反馈tousu@iuuu9.com,或移步fedex国际快递跟踪官网下载最新版