微信搜索公众号“腾讯新闻极速版”，然后点击换头像，就可以生成加国旗的头像了。
1、手机打开微信首页，点击右上角的搜索图标。
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2、搜索腾讯新闻极速版，点击进入公众号。
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3、进入公众号后，点击换头像。
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4、点击换头像后，就会自动生成微信加国旗的头像，点击保存头像。
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5、长按保存图片。
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6、保存头像后，进入个人页面，点击更换头像。
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7、选择刚才保存的图片，然后点击使用。
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8、更换头像后，微信头像加国旗就做好了。
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注意事项：
公众号换头像是换当前的头像，如果需要别的图片，要先更换微信头像再点击换头像。