The 3.1 version of WotanClient is available as a free download on our website. WotanClient lies within System Utilities, more precisely Device Assistants. The actual developer of the free software is WotanServer.
From the developer:
WotanClient will help you flash new firmware and debrand your Sony Ericsson phone.
You may want to check out more software, such as Line 6 Monkey, DockWare Pro for Pocket PCs or TopVoiz Dialer, which might be similar to WotanClient.