search for the property MIDlet-Jar-URL . It will look something like this MIDlet-Jar-URL: http://m.google.com/mail/download/binaries/L1/2.0.6/mail_m2.jar Use the URL for this property to download and save the JAR file to the same location as the JAD file. Rename the JAR file prefix to the same as the JAD file, ie. mail.jar. Transfer the