nrf52849 dongle program

hi

i develop software with the nrf52dk, success with program it with nrf command line tool.

now i want to program the application on the nrf52 dongle but with no success.

the write Button in the desktop programmer application for is not enable.

i try to ass softdavice file too.

how can i PROGRAM THE NRF52DONGLE?

THANKS

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