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No need to check, it's generally 17.
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Now the certificate goes.
http://www
Click opda, click net, click cn index, click php application, open the webpage to see the facilities in the upper right corner, and then go to the certificate system to apply, generally within a day, the certificate can also be signed on the mobile phone.
If you don't want to get a certificate, you can hack the phone yourself, the tutorial is in.
Cracking the phone will not affect the performance and hardware of the phone, rest assured.
The above answers are collected and provided by Dynamic Qing, I hope that others will not copy, respect the fruits of others' labor, thank you.
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Mobile phone certificates. Significance: The mobile phone certificate can be understood as: the passport of the software.
Product Name: phone
certificate
The third version of S60 has made significant improvements in terms of security, and has stricter regulations on the installation and operation of third-party software in the system. Some software involving mobile phone software and hardware security, personal information security and other aspects of the operation has been specially restricted (for example, automatic start with the mobile phone boot is one of the restricted functions).
Some software will have functional limitations when installed, such as: Calden.
Function. The main thing is to prevent malware. In order for an application to implement these "specifically restricted" functions, it must be "signed". In other words, someone has to be responsible for the safety of this operation! Programs that are not signed cannot be installed and run
The "certificate" you get is put on**?
In fact, the certificate is not simply placed in a folder, the certificate is used to sign the software that needs to be "signed". Certificates are not used directly, they are packaged into the SIS software through a special program. The purpose of a certificate is simply to give a certain amount of authority to the program.
Don't lose your certificate, because a certificate is valid for 6 months and can be used to sign a lot of software. If the certificate expires, you can apply for a new certificate, or you can adjust the time of your phone when you install it. The time can be adjusted to the validity period of the certificate.
Usually we have the first mobile phone software will have a signed version and an unsigned version, for the unsigned software, we can apply for a certificate to make the software for their own machine, through the sign tool provided by Symbian to make their own mobile phone key file and then write it into the software to be installed, and then this software can only be installed in your mobile phone.
In short, a certificate mechanism is a measure used to address security issues, and its role is mainly two:1. Prove the legitimacy of the software. 2。Allow the software to start autonomously.
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