Keurig’s latest Firmware update to the Keurig K Supreme Plus Smart Single Serve K Cup coffee maker with Brew ID K-29. The Brew Size Temperature and Strength do not show up on the Screen anymore since the update. HOW TO TELL IF YOU HAVE THE LATEST UPDATE. The old software version is 1.2.0-RC8-18 the new updated Version is 1.4.2-RC4-4. If you look on your smartphone or tablet app under brewer details the old is 1.2.0-352 the new version in the app is 1.4.2-893 They added in the menu you can now enter descale mode without the brewer notify you that [More]