推荐回答（5个）
方法一，同时按住电源键和Home键若干秒直至手机重启，然后在开机过程只按住音量键上（ ），一直按住。如果能使手机开机，则打开Cydia，卸载安装的越狱插件，再重启手机即可。
方法二，与未越狱的恢复办法的前几步相同，直到第五步后iPhone重启的时候，iTunes会弹出页面提示将会抹掉一切内容，还将会与 Apple 服务器验证恢复，当验证以及提取文件完成以后，iTunes 就会自动为iphone重新安装下载好的固件版本了，等待安装成功后重新插手机卡联网激活一下iPhone就可以了。
方法三，尝试通过第三方软件修复，如91手机助手等，这些第三方助手有“白苹果修复工具”，可以尝试性使用这种软件进行修复。但这种方法不是最佳办法，最稳妥的还是用方法二进行修复。
原因：
一、系统升级错误造成的“白苹果”
1、苹果在前几天推送了其最新的iOS 9.3.2系统，而iPhone变成“白苹果”正是在他升级的时候，意外关机造成的。iOS设备固件更新一般有四种常用方法，分别是iPhone上直接升级固件、iTunes恢复固件、iTunes更新固件、进入DFU模式更新固件。
2、在升级过程中，电脑意外关机，iPhone意外关机，下载的固件不完整等原因都有可能会造成“白苹果”。这种原因造成的“白苹果”一般是iPhone轻度用户比较容易出现的，但不要担心，这种白苹果很容易解决，我们在文章后半段统一说。
二、越狱造成的“白苹果”
iOS 越狱(iOS Jailbreaking)，是用于获取苹果公司便携装置操作系统iOS最高权限的一种技术手段，用户使用这种技术及软件可以获取到 iOS 的最高权限，甚至可能可以进一步解开运营商对手机网络的限制。
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