英文救教!看不懂bin is not a valid previous version and could not be upgraded.

英文救教!看不懂bin is not a valid previous version and could not be upgraded.
英文救教!看不懂
bin is not a valid previous version and could not be upgraded.

英文救教!看不懂bin is not a valid previous version and could not be upgraded.
bin（[计] 二进制文件的扩展名）文件以前的版本是不可接受的,不能够进行升级

bin(此文件)文件以前的版本是不可接受的，不能够进行升级。