同一个微信只能绑定一个手机号，但是可以更换原账号的绑定手机使新账号可以绑定该账号。
准备工具：
安卓手机以锤子pro2为例，微信
1.打开微信，在页面中找到选设置项，点击该选项进入到设置页面中。
/iknow-pic.cdn.bcebos.com/9213b07eca806538749c72dd9adda144ac34828e"target="_blank"title="点击查看大图"class="ikqb_img_alink">/iknow-pic.cdn.bcebos.com/9213b07eca806538749c72dd9adda144ac34828e?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto"esrc="
https://iknow-pic.cdn.bcebos.com/9213b07eca806538749c72dd9adda144ac34828e"/>
2.在新弹出的设置页面找到账号与安全选项，点击选择该选项进入到账号与安全页面中。
/iknow-pic.cdn.bcebos.com/4b90f603738da9772e5c50e5bd51f8198718e389"target="_blank"title="点击查看大图"class="ikqb_img_alink">/iknow-pic.cdn.bcebos.com/4b90f603738da9772e5c50e5bd51f8198718e389?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto"esrc="
https://iknow-pic.cdn.bcebos.com/4b90f603738da9772e5c50e5bd51f8198718e389"/>
3.在新弹出的页面找到手机号选项，点击选择该选项进入到手机号页面中。
/iknow-pic.cdn.bcebos.com/b3b7d0a20cf431ad49fb95f74636acaf2fdd98d7"target="_blank"title="点击查看大图"class="ikqb_img_alink">/iknow-pic.cdn.bcebos.com/b3b7d0a20cf431ad49fb95f74636acaf2fdd98d7?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto"esrc="
https://iknow-pic.cdn.bcebos.com/b3b7d0a20cf431ad49fb95f74636acaf2fdd98d7"/>
4.在新弹出的页面找到更换手机号选项，点击选择该选项进入到手机号更换页面中。
/iknow-pic.cdn.bcebos.com/8d5494eef01f3a298b3803009425bc315d607c08"target="_blank"title="点击查看大图"class="ikqb_img_alink">/iknow-pic.cdn.bcebos.com/8d5494eef01f3a298b3803009425bc315d607c08?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto"esrc="
https://iknow-pic.cdn.bcebos.com/8d5494eef01f3a298b3803009425bc315d607c08"/>
5.在新弹出的手机号更换页面输入更换的手机号，点击下一步选项进入到下一页面中。
/iknow-pic.cdn.bcebos.com/0df3d7ca7bcb0a46a0075af76663f6246a60afd3"target="_blank"title="点击查看大图"class="ikqb_img_alink">/iknow-pic.cdn.bcebos.com/0df3d7ca7bcb0a46a0075af76663f6246a60afd3?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto"esrc="
https://iknow-pic.cdn.bcebos.com/0df3d7ca7bcb0a46a0075af76663f6246a60afd3"/>
6.在新弹出的页面找到输入框，输入获得的验证码进入下一页面中。
/iknow-pic.cdn.bcebos.com/b812c8fcc3cec3fd265276bbdb88d43f86942794"target="_blank"title="点击查看大图"class="ikqb_img_alink">/iknow-pic.cdn.bcebos.com/b812c8fcc3cec3fd265276bbdb88d43f86942794?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto"esrc="
https://iknow-pic.cdn.bcebos.com/b812c8fcc3cec3fd265276bbdb88d43f86942794"/>
7.在新弹出的页面找到完成选项，点击选择该选项即可完成相关功能操作。
/iknow-pic.cdn.bcebos.com/37d12f2eb9389b50dcb5319c8835e5dde6116eb2"target="_blank"title="点击查看大图"class="ikqb_img_alink">/iknow-pic.cdn.bcebos.com/37d12f2eb9389b50dcb5319c8835e5dde6116eb2?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto"esrc="
https://iknow-pic.cdn.bcebos.com/37d12f2eb9389b50dcb5319c8835e5dde6116eb2"/>