Shulou(Shulou.com)05/31 Report--

Hello everyone, Lin Fei to answer the above questions, Nokia Siemens, Nokia x700 many people do not know, now let's take a look!

1. Several solutions for errors in the installation of Nokia X7-00 programs (required for beginners).

2. Hint 1: certificate expires. Description: the software certificate has expired. Solution: 1. Adjust the time of the phone to the time limit of the certificate (move the time of the phone forward a few months) and install it. After installation, set it back to the correct time. How to adjust time: settings-Mobile Settings-General-date and time-date) 2: re-sign the software. Tip 2: the certificate is wrong. Description: 1. The installed software is not signed. If it is a JAR program, it is usually because of a certificate conflict. (many java games give this error message. The solution is shown in 2 below). Solution: 1: software signature. 2: install the program (software / game) directly to the phone or replace the memory card. Tip 3: update errors. Note: this prompt usually appears because the old version of the same software on the phone has not been deleted and has been installed repeatedly when the software is installed. Or because the titles of new and old software installers are different. Solution: 1: uninstall the old version of the software, and then install the new version. two。 Unpack the new version of the software and change the title of the installer to match the old version in the PKG documentation. Tip 4: the certificate is not yet valid. Description: the mobile phone time exceeds the software certificate period. Solution: 1: check whether the mobile date setting is correct. 2: adjust the time of the phone to the time limit of the certificate, and then install it. After installation, just set it back to the correct time. Tip 5: the required program access is not granted. Description: 1. Due to the security problems of Symbian version 3 system, the permissions of some programs are prohibited. Programs that do not have this permission cannot be installed, or they are already signed. two。 The certificate is incorrect. Solution: 1: re-sign with unsigned software before installation.

3 、 2. Remove the mobile phone certificate-XX mobile phone permission restrictions. Tip 6: the certificate is restricted. Description: 1: it is caused by software signature error or multiple software signatures. 2: the low-authority certificate signs the high-authority program. Solution: 1: re-sign with unsigned software before installation. two。 The certification authority required by the verification program, which shall match the program authority.

At the end of this article, I hope it will be helpful to you.

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