1、先在手机上下载安装一个360安全卫士，随后在手机上打开它。
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2、进入以后我们找到并点击右边的这个“欺诈拦截”图标。
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3、接下来，在这里我们点击右上角的设置小标志，像齿轮一样的。
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4、进入“欺诈拦截设置”页面，我们先点击最上面的这个“电话拦截设置“选项，下面还可以对黑名单等进行设置，还可以把骚扰电话标记。
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5、有几个选择，可以拦截未知或隐藏的号码，还可以拦截非通讯录里的号码，可以根据自己的需要选择。
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6、还可以对垃圾短信进行拦截，可以同时拦截骚扰电话和骚扰短信。
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https://iknow-pic.cdn.bcebos.com/3b87e950352ac65c5dce5518f6f2b21192138a95"/>
7、如果我们总是被一个号码骚扰，那就把这个号码添加到这里来，这样他就没办法再骚扰了，可以从电话记录、通讯录中选择，也可以手工输入电话。
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8、我们还可以进入黑名单管理，把这个骚扰电话设置成黑名单号码。
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9、我们还可以把这个号码标记为骚扰电话，如果有疑似欺诈的电话，也可以标记下来，这样不仅自己不会被骚扰，对其他人也有帮助。
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10、我们还可以设置勿扰模式，在自己设定的时间内，只允许通讯录里的电话打进来，其他的陌生号码就不能打来骚扰了。
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