以iPhone7Plus为例:
1、点击iPhone7Plus手机桌面中的设置。
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2、点击iPhone7Plus通用。
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https://iknow-pic.cdn.bcebos.com/b8014a90f603738d24c15285bd1bb051f919ec8a"/>
3、然后点击iPhone7Plus软件更新。
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https://iknow-pic.cdn.bcebos.com/b03533fa828ba61e901a96884f34970a314e59a4"/>
4、接着点击iPhone7Plus下载并安装。
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https://iknow-pic.cdn.bcebos.com/38dbb6fd5266d0166dd2c08f992bd40734fa3549"/>
5、输入iPhone7Plus手机的开机密码。
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https://iknow-pic.cdn.bcebos.com/6d81800a19d8bc3e85cf586d8c8ba61ea9d34555"/>
6、等待iPhone7Plus软件更新完成就可以了。
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https://iknow-pic.cdn.bcebos.com/d1a20cf431adcbef8f0927a1a2af2edda3cc9f5c"/>