更新抖音APP最新版，首先在手机桌面打开抖音APP，然后点击【我】，在右上角点击【三点】，点击设置按钮，选择【通用设置】，点击【检查更新】，出现发现新版本的页面，选择后升级按钮，下载后完成安装就可以了，具体操作步骤如下：
1、首先在手机桌面打开抖音APP。
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2、打开抖音APP后，点击【我】。
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3、点击【我】后，在右上角点击【三点】。
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4、在右上角点击【三点】后，点击设置按钮。
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5、点击设置按钮后，选择【通用设置】。
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6、进入【通用设置】后，点击【检查更新】。
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7、点击【检查更新】后，会出现发现新版本的页面，选择后升级按钮。
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8、等待下载。
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9、下载完成点击安装。
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10、等待安装。
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11、安装完成就可以啦。
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注意事项：
1、需要进入通用设置里面进行查找。
2、检查更新是在通用设置里面，如果已经是新版本，则会提示没有可用的更新版本。
3、发现新版本的时候需要点击升级，由系统自己进行下载，然后按照覆盖。