Rak4600 timeout RIU firmware download

Hello, I have a RAK4600 Version: firmware.
I have a timeout message, when I try to dowload a firmware *.bin using
Device Firmware Upgrade DFU.
The firmware was compile using RIU online with cero errors.
could you give some advice?

Welcome to RAK forum @rack1971 :slight_smile:

You cannot update the RAK4600 FW via RAK DFU Tool.

You need to use a RAKDAP1 or via BLE.

The guide is here - Quick Start Guide | RAKwireless Documentation Center

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