The flashing("MP3 Player Update Tool"), formatting("MP3 Player Disk Tool") and conversion("Sound Convert Tool") tool that usually comes on a mini CD together with the player. The version 3.0.6 includes an "MTV convert tool" and the versions 3.57 contains also a "AMV Convert tool" and a "AMV player". Standard S1mp3: 1.48 version [download](thx to ChileanMaggot) 1.46 version [download] 1.45 version [download] 1.43 version [download] 1.39 version [download] 1.28 version [download] Mp4 S1mp3: 3.68 version [download] (With AMV convert tool) 3.06 version [download] (With MTV convert tool) 4.00 version [download] Others: Version for Mac users[download] Product tools v 4.19 [download](industry flashing tool. Can flash more than one player at the same time.) Instructions to use the "Product tools" : 1. Run BatchProduct.exe; 2. Go to "Replace firmware" and provide the new firmware; 3. Click "Begin Download" to flash the firmware. Note: If "begin download" is not clickable, click "Read record" till your mp3 player gets recognized by the program. Note: For the updater programs to work, windows must recognize the player first! (see Install drivers and make windows detect the player) Wire has tracked all the update tool routine. If you need information, ask him.(wire @at@ s1mp3 _dot_ de).