dongle nrf52840 went to undefined state making all the leds on the board.

[thukeri]

Hi,

My nrf52840 dongle went to undefined state making all the leds on the board..Tried with different flavours of binaries but didnt got any luck the board remains in the same state..

please help me how to bring my board to normal stage.

Really appreciate if you provide solution to this.

nrf5_SDK_for_Mesh_v5.0.0_src

nRF5_SDK_17.0.2_d674dde

[Kenneth]

Check out:
https://devzone.nordicsemi.com/nordic/short-range-guides/b/getting-started/posts/nrf52840-dongle-programming-tutorial 

[thukeri]

That didnt helped me

[Kenneth]

If you are not able to find the solution on that page, then I recommend order an nRF52840-DK if you haven't one already, since that include a debugger that can be used for programming and debugging.

Kenneth