Verykool s5015 - Manual (Page 36)

User Manual
36
 Copy the certificate from your computer to the root of the SD card.
 Touch Settings> Security.
 Touch Install from SD card under Credential Storage.
 Touch the file name of the certificate to install. Only the names of
certificates that you have not already installed on your phone are
displayed.
 If prompted, enter the certificate’s password and touch OK.
 Enter a name for the certificate and touch OK.