Intellijel Sealegs
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Current Firmware
1.3.5.0
Connect Sealegs via USB in bootloader mode (hold the rotary encoder while powering on the module). Open intellijel.github.io/firmware/ in Chrome, Edge, or Opera, select Sealegs from the dropdown, and click Update. The flash takes under a minute via WebUSB.
Just for reference. For complete and up-to-date instructions, always refer to the manufacturer's official firmware page.
Firmware pageopens in a new tab — intellijel.github.ioFirmware History
Changelogs summarised from the manufacturer's release notes.
FAQ
What is the latest firmware for the Intellijel Sealegs?
The latest firmware for the Intellijel Sealegs is version 1.3.5.0, released on 2026-07-27. FW//RADAR checks the manufacturer's official sources for new releases.
Where can I download Intellijel Sealegs firmware?
Directly from Intellijel's official firmware page — FW//RADAR links to the source and never hosts firmware files. Official firmware page →
Manufacturer page →opens in a new tab — intellijel.com
Manual →opens in a new tab — intellijel.com
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