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Why can’t I download sis or sisx programs for my 6120?

The sis format is the software installation program on early non-version 3 Nokia smartphones. Only a very small part of the sis can run on the third version, so many downloaded sis cannot be used in our third version mobile phones. use. With the popularity of sisx, sis will gradually disappear from the third version of mobile phones.

The sisx format is a program developed for version 3 and cannot be run on mobile phones with non-version 3 systems. However, some still cannot be installed because you need to self-sign these software before they can be used. This is the same as the certificate. Related, of course, most software can be used by adjusting the time to 2007 or earlier

For example, Symbian Forum, IT168 Nokia Forum, there are many good software. I know~ I usually go there to have a look, it’s a lot of knowledge!