sew910i 4.0 was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this software available. We recommend checking the downloaded files with any free antivirus. This software is an intellectual property of kingconvert. The most popular version among the program users is 4.0. The program is included in Multimedia Tools.
From the developer:
KingConvert For Sony Ericsson W910i is an all-in-one Sony Ericsson W910i video conversion solution,including excellent Sony Ericsson W910i converter software: File/DVD/CD/VCD to Sony Ericsson W910i Video Converter.
The Suite includes All Files,DVD,CD and VCD to Sony Ericsson W910i Video Converter.
You may want to check out more software, such as Shining Utilities, which might be similar to sew910i.