首先点击微信右下方“我的”，点击设置。点击账号与安全，在账号与安全界面点击手机号。选择“更换手机号”，根据提示进行操作即可。
工具／原料：联想y7000、Windows10、微信8.0.2
1、首先点击微信右下方“我的”，点击设置。
2、点击账号与安全。
3、在账号与安全界面点击手机号。
4、选择“更换手机号”，根据提示进行操作即可。
总结：进入我的界面，点击设置，点击账号与安全，点击手机号，点击更换手机号，输入新的手机号码，点击下一步，进入流程指引，点击下一步，输入验证码，点击下一步，点击完成即可。
工具/原料：微信7.0.6版本；手机华为Mate20x；系统EMUI9.1.0
方法/步骤：
1、想要解绑原绑定的手机号码，必须先换绑一个新的手机号。打开微信，进入我的界面，点击设置。
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2、然后点击账号与安全。
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3、点击手机号，手机号后面会显示自己原绑定的手机号码。
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4、进入绑定手机号界面，点击更换手机号。
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5、输入新的手机号码，点击下一步。
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6、进入流程指引界面，点击下一步。
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7、输入验证码，点击下一步。
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8、页面弹出匹配通讯录，点击完成，原手机号码就被解绑成功了。
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注意事项：
新版的微信，不能直接解绑手机号，必须换绑新的手机号，才能解绑原手机号。
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