The function of certificate is to sign the software that needs to be signed. Certificates are not used directly, but packaged into sis software through a special program. The role of a certificate is only to give the program certain permissions.

How to use certificates

After obtaining the certificate, it can be packaged into sis software through special programs. The certificate is valid for 6 months and can be used to sign many softwares. If the certificate expires, you can apply for a new certificate, or you can adjust the time of the mobile phone before installation. Just adjust the time to the validity period of the certificate.

Software signature

For unsigned software, you can apply for a certificate to make software for your own machine, make a key file of your mobile phone through the sign tool provided by Saipan, and then write it into the software to be installed, so that the software can only be installed in your mobile phone.