RAK4631 stuck in DFU mode

WisBlock
1

Dear support,
I am trying to flash the bootloader to RAK4631. I am using Windows 10, RAK4631 Arbuino version, connected via the USB cable.
I switch on DFU mode by double pushing the reset button on the WisBlock base board, and then I see the RAK4631 drive in My computer. I have found and copied the bootloader: wiscore_rak4631_board_bootloader-0.4.3_s140_6.1.1.uf2 to the drive, which then makes the device quickly reboot.

Current INFO_UF2.TXT:
UF2 Bootloader 0.4.3
Model: WisBlock RAK4631 Board
Board-ID: WisBlock-RAK4631-Board
Date: May 20 2023
Ver: 0.4.3
SoftDevice: S140 6.1.1

The problem is, the device is staying in te DFU mode (slowly dimming the green LED on and off). How can I exit the DFU mode?

Thank you!

2

SOLVED.
Solved by copying onto the RAK4631 drive the latest Meshtastic firmware .uf2 file (firmware-rak4631-2.5.2.771cb52.uf2). The INFO_UF2.TXT remained unchanged, but the device started in an operational mode.

Question: Can I somehow check what firmware version do I now have actually installed (Meshtastic rak4631-2.5.2.771cb52 or Rak4631_board_bootloader-0.4.3)?

3

The firmware and the bootloader are two different things. You need both to get the RAK4631 to work.
Your version numbers are correct.

4

Thank you for the clarification! It is good to know the bootloader has correct version.
In the meantime, I have combined two of your examples for RAK1906 sensor and for LoRaWAN module RAK4630 (which are both connected to my RAK4631), updated OTAA keys, flashed this joint code onto RAK4631 with Arduino, and the board is working, measuring the four parameters and sending frames to gateway! Thank you!

5

This topic was automatically closed 10 days after the last reply. New replies are no longer allowed.