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nRF5340-PDK locked

Hi

When programming the nRF5340-PDK I get the following response:

C:\Nordic_SDK\ncs\xxxx\blink>west flash --erase
-- west flash: rebuilding
ninja: no work to do.
-- west flash: using runner nrfjprog
There are multiple boards connected.
1. 518005452
2. 59101183
3. 683861277
4. 960102342
Please select one with desired serial number (1-4): 4
-- runners.nrfjprog: Flashing file: C:/Nordic_SDK/ncs/norce/blink/build/zephyr/zephyr.hex
ERROR: The operation attempted is unavailable due to readback protection in
ERROR: your device. Please use --recover to unlock the device.
ERROR: command exited with status 16: nrfjprog --eraseall -f NRF53 --snr 960102342

C:\Nordic_SDK\ncs\xxxx\blink>nrfjprog --recover -f NRF53 --snr 960102342
Recovering device. This operation might take 30s.
ERROR: Recover failed. Please make sure that the correct device family is given
ERROR: and try again.

Is there another way to unlock the PDK?

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