微信解绑手机号步骤如下：
1、首先在微信”我“的页面找到”设置“选项，并点击进入。/iknow-pic.cdn.bcebos.com/9358d109b3de9c82d3ba5ae06381800a18d84385"target="_blank"title="点击查看大图"class="ikqb_img_alink">/iknow-pic.cdn.bcebos.com/9358d109b3de9c82d3ba5ae06381800a18d84385?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto"esrc="
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2、接着在设置页面的菜单栏选择最上面的”账号与安全“选项，点击进入。
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3、然后在该页面选择”手机号“选项，进入下一步。
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4、再然后选择”更换手机号“选项，需要注意的是用户要提前准备一个新的手机号用来替换绑定了该微信的手机号，才能做到解绑旧手机号。
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5、最后输入新手机号即可解绑原来绑定微信的手机号码。
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