操作方法如下：
1.打开微信中的“设置”；
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https://iknow-pic.cdn.bcebos.com/fc1f4134970a304e0729128fdcc8a786c9175cbf"/>
2.点击“账号与安全”；
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https://iknow-pic.cdn.bcebos.com/b8014a90f603738dda9fbf57be1bb051f919ecea"/>
3.点击“邮件地址”，没绑定的就绑定，绑定了就直接解除手机绑定即可；
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https://iknow-pic.cdn.bcebos.com/5bafa40f4bfbfbedf46a840a75f0f736afc31f97"/>
4.输入邮件地址；
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https://iknow-pic.cdn.bcebos.com/9e3df8dcd100baa1fd27f5ce4a10b912c8fc2ebf"/>
5.去邮箱里查看验证信息进行确认；
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https://iknow-pic.cdn.bcebos.com/4b90f603738da9774dfa355ebd51f8198718e3ea"/>
6.点击“手机号”，再点击右上角“设置”按钮；
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https://iknow-pic.cdn.bcebos.com/63d0f703918fa0ec9405d7782b9759ee3c6ddb81"/>
7.点击“解绑手机号”；
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https://iknow-pic.cdn.bcebos.com/dbb44aed2e738bd4ce120044ac8b87d6277ff990"/>
8.点击“解绑”；
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https://iknow-pic.cdn.bcebos.com/279759ee3d6d55fb1004c55360224f4a21a4dd81"/>
9.之后手机号这一栏就变为空的，就可以用这个手机号注册其他微信号了。
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https://iknow-pic.cdn.bcebos.com/314e251f95cad1c882b04e52723e6709c93d51bf"/>