How to go into DFU mode without the malahit dsp version 3 jumper. If you are upgrading from the test firmware. This is also available for FWb and FWc. Start Device Manager. Expand and monitor the Universal Serial Bus Controller. 1) Disconnect the battery and USB. 2) Press and hold the two encoders. 3) Connect the USB. 4) The PC will automatically install the STM Device. 5) The STM Device in DFU mode will appear on the Universal Serial Bus Controller. 6) Release the encoder. 7) Upgrade with DfuSeDemo according to the manual. We recommend that you use b or c firmware. Rebooting is easy. 8) After upgrading with DfuSeDemo, be sure to press Leave DFU mode to disengage DFU mode. 9) Wait for a while and it will start up. If you can't go into DFU mode with this method, try using the BOOT jumper.
Bulow