Symbian Signed
Symbian Signed is an industry wide testing and certification program for Symbian applications. It is used for Symbian C++, Qt and Python applications, and any other types of content packaged in SIS/SISX files.
Nokia currently runs the Symbian Signed programme. For more information see the Complete Guide To Symbian Signed (in Category:Symbian Signed).
This article explained about the symbian signed why we use it because if we are going to made a application and it is if we want to install sis in the mobile its sis must be signed for that we have to read this article in this article they had clearly explaine about the symbian signed its help for the beginners ...................--Narendrachinni 11:28, 8 September 2009 (UTC)