After the phone and computer in the same network environment, and correctly set the proxy, charles display CONNECT fails with a message SSL handshake with client failed: An unknown issue occurred processing the certificate (certificate_unknown), shots are as follows:
Solution: the computer is installed and trusted certificate Charles, but Charles did not install the phone side certificates, resulting in a handshake failure. End mobile phone video installation certificate given with reference to the official website: https://charlesproxy4test.blogspot.com/2016/10/install-ssl-certificate-on-iphone-or.html
I was millet phone, not by clicking on the installation, you need to set up - install the certificate - you can find the downloaded installation package
The reason: charles equivalent to a middle agent directly access the target user's app server, verify that the CA certificate is valid, but after joining Charles agents, in fact, APP user will validate the certificate provided by Charles, this would certainly not be verified by this time the charles certificate into the mobile phone side, you can verify through.