OLAH Sergio. Please, visit the download page for the WeGO2 firmware v1.03 (is a zip file with a jar file within)
http://site2.pioneerdj.com/support/files/img/DDJ-WeGO2_V103.zip
Also, you can read that post and Pulse answers
Sergio, si quieres puedes escribirnos en Castellano //
Take Care,
Pioneer DJ Forum support