This article provides the latest and all previous firmware versions for your HORIZON12 radio, including a revision history.
Here is a link to a video tutorial on the firmware update process using the Horizon10 as an example:
Current Firmware
- Fixes issues seen with the display screen not working
- Adds turn signal volume adjustment for GM integrated kits
- Improves general functionality
Legacy Firmware
- No details provided
USB Drive Requirements & Setup
- A name-brand USB 2.0 drive no larger than 32GB.
- The USB drive must be formatted to FAT32.
- No files should be on the USB drive aside from the firmware.
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