|File Type||Symbian Installation File|
|File Format||Proprietary (Symbian)|
|Usage||Referenced by an application; not meant to be opened manually|
|Popularity||★ ★ ★ ★ ☆ Common|
Installer archive for devices that use the Symbian OS; examples include Palm PDAs and Nokia, Ericsson, and Motorola phones; created using Symbian's "makesis" command line tool, which is part of the CreateSIS program.
To install a SIS file on a compatible phone, you will need to transfer the file to the phone using the phone's PC communication software; then open the SIS file on the phone to run the installer.