Below is a link to the current firmware update file for the IFBT20, IFBT20/E01 and IFBT20/E07 transmitters. This is a zip file, after downloading extract it into a temporary folder. Use the Wireless Designer™ program to update firmware. Instructions are found here.
Note:Â This is a link to the Wireless Designer firmware update file, which bundles the latest firmware for multiple products. Â Wireless Designer will automatically choose the right firmware images from the file.
| Title | File Size | File Type | Date | Filename | Link |
|---|---|---|---|---|---|
| Firmware for Units Updated with Wireless Designer | 34 MB | zip | June 25, 2026 | wd_v10Jun2026.zip |