User guide

RFXtrx Version 4.14 page 17 / 35

6.2. Update firmware in the RFXtrx step by step

• Click the Connect to Device button.

The RFXtrx will automatically switch from normal mode to the bootloader now.

• Click the Open HEX file button and load the RFXtrxyyy_xx.hex file

Be sure to load the latest firmware file for the RFXtrx.

yyy indicates the RFXtrx frequency, so load the RFXtrx433 for an RFXtrx433!

xx indicates the firmware version.