Firmware Upgrade v4.0

Click here to visit corresponding v3.0 page    For In/Out v3.0, please visit this page instead.

This page provides directions how to upgrade the firmware of the In/Out Net Device v4.0. You can check your hardware version here.

Firmware version is simply a date (yyyy-mm-dd): current is "2025-07-07".

There are two ways to upgrade the firmware: via the USB cable (preferred) and via the App v4. There is also an option to recover a bricked device or if you don't manage to follow the procedure below.

When a device v4.0 boots, it makes a loud beep approximately 20 seconds after pressing the power button - this indicates that the device is up and running. If you don't hear that beep, something is wrong in the software of the device and you need to follow the recovery procedure.

Upgrade via USB

It's possible to upgrade the firmware of a device v4.0 via the USB port connected to a computer running Windows, MacOS or Linux.

If the anti-virus of your computer prevents you from downloading "firmware.bin", you can download the exact same file named with a .zip extension. But you need to rename it to .bin before dragging-and-dropping it to the device folder.

Windows

On Windows, this is the MTP driver that allows to get the content of the Net Device. The device will appears in the standard Windows Explorer and the "Internal" folder will appear.

Windows

Windows

As explained above, drag-and-drop the firmware.bin file.

If the In/Out drive doesn't appear, you might need to re-install the MTP driver on Windows as explained on this page.

MacOS

The Net Device appears as a MTP drive - like an Android phone. Unfortunately, Apple has always refused to support the MTP protocol natively. You need an app to be able to support that protocol and see the content of the Net Device on a MacOS.

You have three options to add MTP support to a Mac:

Once you can access the Net Device drive, as explained above, drag-and-drop the firmware.bin file.

MacOS

Linux

On Linux, the MTP driver is installed by default. Use your default file explorer. The "Internal" folder will appear there.

As explained above, drag-and-drop the firmware.bin file.

Linux

Upgrade via the smartphone App

It's possible to upgrade the firmware of a device v4.0 via the smartphone App. Go to the "Upgrade firmware" section via the top right menu in the App.

Upgrade Upgrade Upgrade

Upgrade Upgrade Upgrade

Upgrade Upgrade Upgrade