为了解决问题，请尝试当正在连接你的电话到电话的时候，按住home键，同时恢复一个更新的版本。

To solve this problem, try holding the home button while connecting your iPhone to the computer, and restore to a newer version.

youdao

我可以用一个没有电话的设备打电话到世界各地。

I can call all over the world on a device that doesn't have a phone.

youdao

“我想打个对方付费的电话，”她一听到电话里传来声音就说道。

"I want to make a collect call," she said as soon as a voice came on the line.

《柯林斯英汉双解大词典》