通过设置，进入手机号码，点击更换，就可以更改了。下面我来分享一下操作的步骤：
软件型号：8.9.28。手机型号：oppoReno7。
具体的步骤如下：
1.打开手机上的qq软件，点击左上角的【头像】进入。
2.接着点击左下角的【设置】。
3.找到【手机号码】点击。
4.进入后，点击【更换】。
5.接着点击【去更换】。
6.然后接着输入要换绑的新号码，点击【下一步】。
7.最后输入新手机号的验证码，点击【提交】就可以了。
更改完之后，就可以用新的手机号选择账号登录了。
可以按照如下方式进行操作：
1、打开手机QQ，划出左侧菜单。
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2、在左侧菜单中点击左下角的“设置”按钮。
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3、然后在设置页面中选择“手机号码”。
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4、在“手机号码”页面点击“更换”按钮。
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5、在“更换手机号码”页面点击“更换手机号码”按钮。
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6、然后输入你的新手机号码，点击下一步。
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7、然后会有确认弹框，点击“确定”。
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8、然后会需要你验证设备关联的手机号码。
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9、点击“获取验证码”之后，会向我们的原手机发一个验证码，输入我们的验证码，点击“确定”，即可。
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10、然后手机号码会进入审核状态，6小时之后就可以更换成功了。
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拓展资料
如何解除QQ手机手机号绑定：
1、首先打开自己的qq客户端。为解除手机通讯录绑定的手机号做准备。
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2、找到对应的绑定手机号号码。
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3、选择手机号更换操作。
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4、确认手机号更换。就点下面的框。如果解绑的话点击右上角的框。
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5、选择解绑，系统会在此让你确认。
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6、仔细阅读完说明之后，确认解绑就行了。如果需要更换绑定手机号，只需在第4步，选择更换手机号。
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