1、请先把你的iPhone手机升级到ios8系统如果不会的话请看我前面的iPhone手机升级ios8的经验
2、打开设置
![iOS8系统：[17]iPhone4S升级iOS8.0.2](https://exp-picture.cdn.bcebos.com/04201aa355e983ae7810449e68efe0781531691f.jpg)
3、打开通用
![iOS8系统：[17]iPhone4S升级iOS8.0.2](https://exp-picture.cdn.bcebos.com/e1390a31dfb6326cc0a1847b89532f632285601f.jpg)
4、点击软件更新
![iOS8系统：[17]iPhone4S升级iOS8.0.2](https://exp-picture.cdn.bcebos.com/2e223d85e036e291d92f2e54b2723d03baea5b1f.jpg)
5、开始检查更新
![iOS8系统：[17]iPhone4S升级iOS8.0.2](https://exp-picture.cdn.bcebos.com/baab208630486143711355858febf6a75e0f531f.jpg)
6、可以看到有ios8.0.2更新可以下载
![iOS8系统：[17]iPhone4S升级iOS8.0.2](https://exp-picture.cdn.bcebos.com/5e4e9c2b74ee1c32e5df4c9807f1d8a727334b1f.jpg)
7、点击同意下一步
![iOS8系统：[17]iPhone4S升级iOS8.0.2](https://exp-picture.cdn.bcebos.com/506d92f1d8a72633fb43d057c02c56ee7a7f441f.jpg)
8、然后同意条款
![iOS8系统：[17]iPhone4S升级iOS8.0.2](https://exp-picture.cdn.bcebos.com/cca2552c56ee7b7f3ec961c16ef4fcf5ef0d411f.jpg)
9、开始下载中
![iOS8系统：[17]iPhone4S升级iOS8.0.2](https://exp-picture.cdn.bcebos.com/874f6275e5f4fcf552ca277a21d7726b0de2bd1f.jpg)
10、下载完成开始安装
![iOS8系统：[17]iPhone4S升级iOS8.0.2](https://exp-picture.cdn.bcebos.com/ab966c6b0ce265e7f6c879cc9f23beb9773eb71f.jpg)
11、安装完成之后重启iPhone手机就是ios8.0.2了
![iOS8系统：[17]iPhone4S升级iOS8.0.2](https://exp-picture.cdn.bcebos.com/65390a23beb9763ee605a6626ad06de89b61b01f.jpg)
12、如果您觉得本经验有帮助，请点击正下方的巡綮碣褂或右上角的“大拇指”或“分享”或“关注TA”给我支持和鼓励为了方便下次寻找，您可以点击“收藏”收藏本经验
