Phone book backup phone book information can be backed up to a local or backup to the server.

电话薄备份可将电话本信息备份到本地或备份到服务器上。

youdao

Phone book backup phone book information can be backed up to a local or backup to the server.

电话薄备份可将电话本信息备份到本地或备份到服务器上。

youdao