Thingy 53 Flash example code

hello.
I developed and tested the ncs/nrf/sample/bluetooth/multiple_adv_sets example using the nrf5340 DK board to suit my requirements.
I want to run the source by inserting it into the thingy53 board.
I connected the jlink cable from the nrf5340 dk board and completed writing to the thingy 53 board, but I can't check the BLE data or even the log data.
I would like to inquire whether a separate bootloader must be installed on Thingy53 for it to work.

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