iphone 6s手机指纹解锁设置无法完成Touch ID设置是由于系统指纹储存达到上限导致的。
1、将 iPhone 6s 手机解锁手机桌面后,找到【设置】图标打开。
![](https://iknow-pic.cdn.bcebos.com/960a304e251f95ca7657a45ac7177f3e660952bf?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
2、进入手机系统【设置】的具体选项列表下,选择【触控ID 与密码】功能。
![](https://iknow-pic.cdn.bcebos.com/63d9f2d3572c11dfbe3489cf6d2762d0f603c270?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
3、进入【触控 ID 与密码】的详情页面下,添加指纹为灰色无法设置的状态。
![](https://iknow-pic.cdn.bcebos.com/caef76094b36acaf4b46a01072d98d1000e99cb3?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
4、任意选择一个系统指纹,点击【删除指纹】。
![](https://iknow-pic.cdn.bcebos.com/b8389b504fc2d562f0ebe601e91190ef77c66c7e?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
5、删除任意指纹后,添加指纹变成蓝色可设置的状态,点击【添加指纹...】。
![](https://iknow-pic.cdn.bcebos.com/d52a2834349b033b1f2bca361bce36d3d439bdbe?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
6、根据系统提示进行【放置手指】进行指纹解锁的初步设置。
![](https://iknow-pic.cdn.bcebos.com/64380cd7912397ddf855a9e85782b2b7d0a28729?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
7、根据系统引导完成指纹解锁的设置后,屏幕顶部提示【完成】即为成功完成指纹解锁设置,点击底部的【继续】完成保存。
![](https://iknow-pic.cdn.bcebos.com/d8f9d72a6059252deb382ce83a9b033b5bb5b92a?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)