--- title: Updating Symphony MkII firmware via Dante description: In this article, we will explain how to update the firmware of the Apogee Symphony I/O MkII via the Dante option card. --- [Skip to content](https://knowledge.apogeedigital.com/updating-symphony-mkii-firmware-via-dante#main-content) English Show submenu for translations [Contact us](https://knowledge.apogeedigital.com/kb-tickets/new?hsLang=en) ![Apogee Logo White.png\]](https://knowledge.apogeedigital.com/hs-fs/hubfs/Apogee%20Logo%20White.png?height=40&name=Apogee%20Logo%20White.png) Open main navigation Close main navigation - English Show submenu for translations - [Contact us](https://knowledge.apogeedigital.com/kb-tickets/new) - Go to apogeedigital.com Go to apogeedigital.com How can we help you? - There are no suggestions because the search field is empty. 1. [Knowledge Base](https://knowledge.apogeedigital.com/?hsLang=en) 2. [Symphony I/O Mk 2](https://knowledge.apogeedigital.com/symphony-i-o-mk-2?hsLang=en) 3. [Getting Started](https://knowledge.apogeedigital.com/symphony-i-o-mk-2?hsLang=en#getting-started) # Updating Symphony MkII firmware via Dante ## In this article, we will explain how to update the firmware of the Apogee Symphony I/O MkII via the Dante option card. Symphony MkII units with Dante can update the chassis via Ethernet connected to the Dante Port.![Dante+PTHD Option Card Rear Panel Symphony MkII view](https://knowledge.apogeedigital.com/hs-fs/hubfs/APOGEE-SYMPHONY-IO-MkII-CHASSIS-Dante-REAR.jpg?width=688&height=284&name=APOGEE-SYMPHONY-IO-MkII-CHASSIS-Dante-REAR.jpg) ***Note:***This method does not update PTHD only connection based Symphony MkII units such as the previous Pro Tools HD option card, or the current Pro Tools Plus option card.  To verify you have Dante as well, you can:  - Open the top panel and look for the red Brooklyn Module on the PTHD/Dante connection module. Only if the Brooklyn module is present can you update via Dante. ![Brooklyn Module Location](https://knowledge.apogeedigital.com/hs-fs/hubfs/Brooklyn%20Module%20Location.jpg?width=255&height=243&name=Brooklyn%20Module%20Location.jpg) If you do not want to open the top panel, here's two other ways to check if you have Dante: - Check if there's a cover over the Ethernet ports, as these cannot do Dante - Connect an ethernet cable and check if the ethernet lights illuminate. If they illuminate then it can be updated via Dante --- Please read through this article completely before starting your Symphony I/O MkII firmware update. First open the Symphony I/O MkII Updater and select the Dante option:  ![Symphony IO MkII Firmware Updater Dante](https://knowledge.apogeedigital.com/hs-fs/hubfs/Screenshot%202024-05-01%20at%205-41-23%E2%80%AFPM-png.png?width=688&height=522&name=Screenshot%202024-05-01%20at%205-41-23%E2%80%AFPM-png.png) Select Next and verify your Symphony I/O MkII is detected  If not, verify you have Symphony I/O MkII in Dante Audio Interface Mode: ![Symphony I/O Dante firmware updater IP Address](https://knowledge.apogeedigital.com/hs-fs/hubfs/Screenshot%202024-05-01%20at%205-47-42%E2%80%AFPM-png.png?width=575&height=414&name=Screenshot%202024-05-01%20at%205-47-42%E2%80%AFPM-png.png) You'll see yellow dots instead of green to indicate a firmware update is needed: ![Firmware Updater Dante Symphony IO MkII Status screen](https://knowledge.apogeedigital.com/hs-fs/hubfs/Screenshot%202024-05-01%20at%205-48-47%E2%80%AFPM-png.png?width=575&height=411&name=Screenshot%202024-05-01%20at%205-48-47%E2%80%AFPM-png.png) Click Update: ![Symphony IO MkII Updater Are You Sure](https://knowledge.apogeedigital.com/hs-fs/hubfs/Screenshot%202024-05-01%20at%205-51-12%E2%80%AFPM-png.png?width=575&height=412&name=Screenshot%202024-05-01%20at%205-51-12%E2%80%AFPM-png.png) Once the progress bar has started, DO NOT power off the Symphony. This can take up to 10 minutes over Ethernet with Dante:  ![Symphony IO MkII Firmware Updater Progress Bar](https://knowledge.apogeedigital.com/hs-fs/hubfs/Screenshot%202024-05-01%20at%205-51-26%E2%80%AFPM-png.png?width=575&height=411&name=Screenshot%202024-05-01%20at%205-51-26%E2%80%AFPM-png.png) Once complete and you see the screen below, Power off the Symphony, wait a few seconds, then power it back on. This will initiate the firmware update on the modules themselves after it's been copied to the Symphony chassis: ![Symphony IO Firmware Updater complete](https://knowledge.apogeedigital.com/hs-fs/hubfs/Screenshot%202024-05-01%20at%205-51-44%E2%80%AFPM-png.png?width=575&height=411&name=Screenshot%202024-05-01%20at%205-51-44%E2%80%AFPM-png.png) After the Symphony powers back on, let it run until you see the main screen again. This can take 10 minutes or more to complete....\> the more components that need updating the longer it will take. 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