odin55Step 1 : Go to our above official link to download Odin 3.12.3 latest version using your browser. Step 2 : Extract Odin .zip file and rht click on the Odin application, choose Run asPreface: This article has a spec sheet from the OEM. Your tube should be marked as a C55-A model. If you have a 60W Odin-32 then this is not your tube.