When it comes to Nokia, the first reaction may be "fall resistance". Indeed, Nokia mobile phones are very fall resistant in all mobile phones. It's not enough to use them to smash walnuts. But a friend who has used Nokia may encounter such a problem, that is, when installing the software, the mobile phone displays the E63 certificate error. What is the reason? Don't worry, the editor of several posts will teach you how to deal with this problem.
The use of mobile phone certificate is an official security measure for protecting users to prevent malicious installation of software, but sometimes it may affect the download of users' normal software, such as "certificate error", "certificate invalid", "certificate expired" and other prompts when downloading software. At this time, the signature tool is needed to sign the mobile phone. The tools available are: Avatar Special signature tool for mall.
Certificate errors usually occur only for users of S60v3 / s60v5 / UIQ operating system. To solve this problem, it is not difficult, just set the online certificate installation detection to the off state. At the same time, you can also enter the software channel and click the visa system to apply for the certificate. After the certificate application is successful, you can download the signed software directly in the channel.
In fact, the mobile phone certificate is not a software, it is just a file in the form of cer. The certificate is not installed on the mobile phone, nor on the computer. In fact, it does not have a fixed storage location. The certificate only signs your mobile phone software through the signature software to let the system know that the software is legal and safe, so that users can download the software application normally 。
After reading so much, I think you know how to solve the problem of E63 certificate error. I hope this article can help you to eat melon. If you are satisfied with this article, please remember to like it.