Fiddler-- mobile terminal can not be installed certificate

Foreword

APP a test, we need to get caught up, then set proxy access proxy address, download a certificate, but can not install the download is complete.

prompt:无法读取该证书文件

Phone model: OPPO A5

step

设置->其他设置->设备与隐私->从存储设备安装证书

1. The rest is to find the address of the certificate file, install it 2.OPPO A5 need to set a password lock screen