If you see Expired certificate, certificate error, or date certificate errors when trying to install the application in your smartphone, meaning it’s time to replace the certificate application. Of course, change certified manufacturer, we can not but be able to sign an application (certificate) for your phone. So, first things first. Obtain the certificate. Attention! Now symbiansigned.com run (until Beta) service signature applications directly on the site. All you need to do – go to this page and enter your imei, electro-mails (I have worked even mail.ru) and the path to that sign. Then mark all the jackdaws (Select all), we introduce the security code and wait for the mail a letter confirmation. A link to the letter and look forward to yet another letter – it will link to your signed file.
Everything. Or, you can unlock your mobile and do not bathe more with certificates. Why do I need a certificate? The operating system, Symbian 9.0 introduced some stringent restrictions on the possibility of treatment applications to various functions api, designed to increase security and stability. Now the application is not passed certification compatibility with Symbian 3rd Edition just is not installed in your smartphone. It is this requires a certification application developers. (Source: Essex Financial). But what can we do, if your application was without a certificate or its term expires? Generally, certificates are several species that are intended to test the program, signing a stable working version of commercial software, certificates for free software and the developer certificate.