Firmware release

AuxLink v1.4.0

Previous release

An archived firmware bundle for the AuxLink in-cabin sender and engine-bay receiver.

Download v1.4.0

01

What’s new
  • Refreshed the firmware update portal to match the AuxLink website.
  • Improved the mobile layout, firmware file picker, and update instructions.
  • Made installed versions and live update status easier to read.
  • AuxLink now closes update mode automatically after both devices confirm a
  • Updated the status light colors so pairing, offline, updating, and error

02

Before updating

Keep both devices powered for the entire update.

Update the sender and receiver together so they stay on the same version.

Do not interrupt power while firmware is being installed.

03

How to update

Start update mode from the receiver, connect to its temporary Wi-Fi network, and upload the AuxLink update ZIP. The receiver coordinates the update for both paired devices.

View update instructions
Release details
Versionv1.4.0

ChannelStable

DevicesSender + receiver

FormatZIP bundle
A

AuxLink

Fewer wires. Cleaner installs.© 2026 AuxLink