Operating System (operating system)

v9

about

Sisters (10)

Generally, there is a question of validity, which depends on the certificate of signing this software. If you try to install this software after this validity period, you will be prompted that the certificate has expired.

Solution:

Quote:

1. Change the date of the mobile phone system to the validity period of the certificate (clock → options → settings → date).

(After the installation, you can change the date of the mobile phone back to normal without affecting the running of the installed program. )

If DOSPY is installed on your computer.

Signature tool

(must

2.2.8.0428

Version or later), you can find it in.

Sisters (10)

Right-click the program.

→

Check the validity period. Then change the date of the mobile phone system to this time limit and you can install it normally (as shown below).

If you don't have and don't want to install this signature tool, then you can change the system date of your mobile phone to the past date and try it once every six months instead of another six months. (There will be a prompt if you modify too much.

[Invalid certificate]

)

If you have a certificate, you can try to re-sign the software.

Recommended dose.

Signature tool

(Version 2.2.8.0428)

Version or later)

Signature, because this version will not only clear the original signature information as much as possible before signing, but also have the function of "shielding those signature information that cannot be cleared"

The function of sis(x) program. If you are prompted when signing: "This file is a signed program and contains signature information that cannot be cleared", you should be wary, because such programs may not be able to solve the problem of certificate expiration after signing, and even some programs may cause other new problems such as "restricted by certificates".

It can be seen that the method of "adjusting the date of mobile phone without signature" is more reliable than the method of "solving the expiration of certificate by signature". The success rate of the former is

100%