The 1.3 version of s1 is provided as a free download on our website. Our antivirus analysis shows that this download is clean. The most popular versions among the software users are 1.3 and 1.0. The software lies within System Utilities, more precisely Device Assistants. The common filenames for the program's installer are s09.exe, S1.exe, S1Flash.exe or S1Up.exe etc. The actual developer of the free software is s1mp3.
From the developer:
s1 giveio is a free software tool that allows you to to analyze the players hardware for developing issues. In order to use this tool you need to connect your player to the pc and bring it into firmware-update-mode.This tool also requires you have the knowledge to use cause it might harm your player if you are not aware of the product capabilities
You may want to check out more software, such as S1 TITAN Toolbox, MiCOM S1 Studio or SteelSeries SRW-S1, which might be related to s1.