可以在iphone设置里面找到通用，然后找到“描述文件”一项，找到要设置为信任的软件的描述文件，设置成信任即可。以iPhone6手机为例，设置方法如下：
一、打开手机，在桌面上找到“设置”一项，点击进入。
/iknow-pic.cdn.bcebos.com/ac4bd11373f082028fcdaf4444fbfbedab641b69"target="_blank"title="点击查看大图"class="ikqb_img_alink">/iknow-pic.cdn.bcebos.com/ac4bd11373f082028fcdaf4444fbfbedab641b69?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/ac4bd11373f082028fcdaf4444fbfbedab641b69"/>
二、进入设置以后，找到“通用”一项，点击进入。
/iknow-pic.cdn.bcebos.com/b8389b504fc2d562e956ee96e81190ef76c66c6a"target="_blank"title="点击查看大图"class="ikqb_img_alink">/iknow-pic.cdn.bcebos.com/b8389b504fc2d562e956ee96e81190ef76c66c6a?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/b8389b504fc2d562e956ee96e81190ef76c66c6a"/>
三、进入通用以后，找到“描述文件”一项，点击进入。
/iknow-pic.cdn.bcebos.com/c2fdfc039245d688609c8cdfabc27d1ed21b242a"target="_blank"title="点击查看大图"class="ikqb_img_alink">/iknow-pic.cdn.bcebos.com/c2fdfc039245d688609c8cdfabc27d1ed21b242a?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/c2fdfc039245d688609c8cdfabc27d1ed21b242a"/>
四、进入描述文件以后，找到要设置为信任的软件的描述文件，点击进入。
/iknow-pic.cdn.bcebos.com/0df431adcbef76091192a7e421dda3cc7cd99e2b"target="_blank"title="点击查看大图"class="ikqb_img_alink">/iknow-pic.cdn.bcebos.com/0df431adcbef76091192a7e421dda3cc7cd99e2b?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/0df431adcbef76091192a7e421dda3cc7cd99e2b"/>
五、进入以后找到“信任”一项，点击进入。
/iknow-pic.cdn.bcebos.com/f11f3a292df5e0fee706b77a536034a85edf72aa"target="_blank"title="点击查看大图"class="ikqb_img_alink">/iknow-pic.cdn.bcebos.com/f11f3a292df5e0fee706b77a536034a85edf72aa?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/f11f3a292df5e0fee706b77a536034a85edf72aa"/>
六、然后在系统弹出的菜单中点击“信任”即可，这样该软件就设置为信任了。
/iknow-pic.cdn.bcebos.com/d4628535e5dde711ff4e7d8da8efce1b9d166128"target="_blank"title="点击查看大图"class="ikqb_img_alink">/iknow-pic.cdn.bcebos.com/d4628535e5dde711ff4e7d8da8efce1b9d166128?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/d4628535e5dde711ff4e7d8da8efce1b9d166128"/>
注意事项：
1、安装非AppStore中的APP是有风险的，安装前需要确认来源，做好辨识。
2、在“描述文件”一项的时候，注意不要选错了，否则会导致安装不成功。如果选错了，可以再重新按步骤设置一次即可。
