Again, the certificate is not directly installed on the mobile phone, but used with a signing tool, that is, signing the software. If the software cannot be installed, you will be prompted that the certificate is incorrect and has expired.
, or what file is damaged, just can't install. This software is signed with this certificate. If the signature is successful, it can be installed normally. If it can't be installed normally, it can only be cracked. There's nothing I can do. Whether the certificate is in the card or in the computer depends on the person. It is recommended to back it up elsewhere in case it is lost. If you sign your name on the computer, you don't have to put it in your mobile phone. If you sign your name on your mobile phone, you can put the certificate and key in your mobile phone. You can put your card or mobile phone, build a folder and find it yourself.
Computer signature
/signtool.php
After decompression, click signsis first, then open signtool, import certificate and key, and press OK to bind successfully. Then, in the second option, drag in the file to be signed, and output the folder, which is the folder after successful signing. The location can be customized. Click Sign, open the folder after success, and find the signed file (the signed file name is the original file name plus _signed) to see if it can be installed normally. The following website is also very useful, but you have to register and reply to download it.
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