RAK7590 Field Tester Pad Firmware Update

This guide will walk you through the process of upgrading the firmware on your RAK7590 Field Tester Pad using balenaEtcher.

Prerequisites

• A card reader to connect the microSD card to your computer
• PC (Windows/macOS) for USB upgrade
• balenaEtcher software (download from balena.io)
• Download the firmware image file from RAK Wireless Downloads

Steps for Firmware Update

1. Power Off the RAK7590.

2. Remove the microSD card from the Pad.

   warning

   Never remove the SD card while the device is powered on, as this can damage the card or the system.

3. Place the SD card into an SD card reader and connect it to your computer.

4. Launch balenaEtcher on your computer.

   Figure 1: Launch balenaEtcher

5. In balenaEtcher, click Flash from file and select the downloaded firmware file (it should end with .zip).

   Figure 1: Upload firmware file

6. Click Select Target and choose the SD card as the target device to write the firmware.

   Figure 1: Select SD card

7. Click Select to confirm your selection.

   Figure 1: Confirm selection

8. Click Flash! to begin the firmware flashing process. Wait until the flashing process is completed.

   NOTE

   This may take several minutes depending on the size of the firmware file.

   Figure 1: Flash the Firmware

9. Once the flashing process is complete, safely eject the SD card from the reader. Insert the SD card back into the Pad.

   Figure 1: Flash Completed

10. Power on the RAK7590 Field Tester Pad, and the device should boot with the newly flashed firmware.