i work on a site that service mobile phone and share some file. when i publish my site in http any things work great. but when i active SSL and publish my site via HTTPS with my own certificate android don’t download any file from my site.. i create my own SSL CA certificate via openSSL in my locally pc and not purchasing from standard seller like `godaddy` ... how i install my CA certificate to android ? what’s my wrong ? do i purchase SSL from standard seller this issue solve ? my android version is 4.4.4