Bricked nFR9151-DK board

[Oleg-AgamControl]

I have started working with the nFR9151-DK board.
After some time, I may have accidentally erased all data from the board using the PROGRAMMER application.
As a result, the board no longer allows programming via USB.
A log file is attached.
How can I resolve this issue?

Fullscreen 2025-09-10T10_34_22.786Z-log.txt Download

2025-09-10T10:34:23.249Z INFO Initialising the bundled nrfutil device
2025-09-10T10:34:23.322Z DEBUG Started watching devices
2025-09-10T10:34:25.101Z INFO Using the bundled core version for nrfutil device: 8.1.1
2025-09-10T10:34:25.155Z INFO Using nrfutil-device version: 2.10.2
2025-09-10T10:34:25.156Z INFO Using nrf-device-lib version: 0.17.71
2025-09-10T10:34:25.156Z INFO Using nrf-probe version: 0.38.0
2025-09-10T10:34:25.156Z INFO Using JLink version: JLink_V8.18
2025-09-10T10:34:26.251Z DEBUG Selected device: nRF9151 DK
2025-09-10T10:34:26.308Z DEBUG Changed step: Info
2025-09-10T10:34:30.880Z DEBUG Changed step: Rename
2025-09-10T10:34:36.899Z DEBUG Changed step: Info
2025-09-10T10:34:39.908Z DEBUG Changed step: Rename
2025-09-10T10:34:44.030Z DEBUG Changed step: Info
2025-09-10T10:34:44.857Z DEBUG Changed step: Connect
2025-09-10T10:35:39.543Z DEBUG Selected device: nRF9151 DK
2025-09-10T10:35:39.567Z DEBUG Changed step: Info
2025-09-10T10:35:42.054Z DEBUG Changed step: Rename
2025-09-10T10:36:04.784Z DEBUG Changed step: Program
2025-09-10T10:37:21.847Z ERROR [ProbeLib] [2025-09-10 10:37:21.840613Z] Failed to initialize worker: Timed out waiting for response from worker.
2025-09-10T10:37:26.045Z ERROR [ProbeLib] [2025-09-10 10:37:26.045986Z] Trace channel disconnected unexpectedly.
2025-09-10T10:37:26.056Z ERROR [ProbeLib] [2025-09-10 10:37:26.056724Z] Worker exited with error code 1.

[Oleg-AgamControl]

Another LOG file

Fullscreen 2025-09-10T10_48_53.644Z-log_EE.txt Download

2025-09-10T10:48:54.102Z INFO Initialising the bundled nrfutil device
2025-09-10T10:48:54.118Z DEBUG Application data folder: C:\Users\Oleg\AppData\Roaming\nrfconnect\pc-nrfconnect-programmer
2025-09-10T10:48:54.224Z DEBUG App pc-nrfconnect-programmer v4.6.2 (official)
2025-09-10T10:48:54.224Z DEBUG App path: C:\Users\Oleg\.nrfconnect-apps\node_modules\pc-nrfconnect-programmer
2025-09-10T10:48:54.224Z DEBUG nRFConnect 5.2.0, required by the app is (>=5.2.0)
2025-09-10T10:48:54.224Z DEBUG nRFConnect path: C:\Users\Oleg\AppData\Local\Programs\nrfconnect\resources\app.asar
2025-09-10T10:48:54.224Z DEBUG HomeDir: C:\Users\Oleg
2025-09-10T10:48:54.224Z DEBUG TmpDir: C:\Users\Oleg\AppData\Local\Temp
2025-09-10T10:48:54.258Z DEBUG Sending event "programmer: running nrfutil device"
2025-09-10T10:48:56.563Z DEBUG Requested nrfutil core version 8.0.0 is already installed.
2025-09-10T10:48:56.620Z DEBUG Sending event "programmer: running nrfutil device"
2025-09-10T10:49:01.176Z INFO Successfully installed nrfutil device version: 2.12.3
2025-09-10T10:49:01.290Z DEBUG Sending event "programmer: running nrfutil device"
2025-09-10T10:49:01.291Z DEBUG Sending event "programmer: running nrfutil device"
2025-09-10T10:49:01.352Z DEBUG Sending event "programmer: running nrfutil device"
2025-09-10T10:49:01.528Z INFO Using the bundled core version for nrfutil device: 8.0.0
2025-09-10T10:49:01.625Z INFO Using nrfutil-device version: 2.12.3
2025-09-10T10:49:01.625Z INFO Using nrf-device-lib version: 0.17.81
2025-09-10T10:49:01.625Z INFO Using nrf-probe version: 0.40.1
2025-09-10T10:49:01.625Z INFO Using JLink version: JLink_V8.18
2025-09-10T10:49:01.890Z INFO Getting serial port options from the persistent store for 001051285002.pc-nrfconnect-programmer
2025-09-10T10:49:01.891Z INFO Device connected with the serial number 001051285002
2025-09-10T10:49:01.892Z DEBUG Sending event "programmer: device connected"
2025-09-10T10:49:03.435Z INFO Selecting device with the serial number 001051285002
2025-09-10T10:49:03.496Z DEBUG Sending event "programmer: running nrfutil device"
2025-09-10T10:49:18.762Z ERROR Error: Failed with exit code 1.
One or more device info tasks failed:
 * 1051285002: Timed out waiting for response from worker. (Generic)


Message: Operation device-info failed, Timed out waiting for response from worker.
2025-09-10T10:49:18.762Z INFO Selected device with the serial number 001051285002
2025-09-10T10:49:18.762Z INFO Using nrfutil device to communicate with target via JLink
2025-09-10T10:49:18.818Z DEBUG Sending event "programmer: device selected"
2025-09-10T10:49:18.818Z DEBUG Sending event "programmer: running nrfutil device"
2025-09-10T10:49:19.234Z DEBUG Sending event "programmer: running nrfutil device"
2025-09-10T10:49:21.830Z INFO Device connected with the serial number 001051285002
2025-09-10T10:49:21.922Z INFO Reading readback protection status for Application core
2025-09-10T10:49:21.922Z ERROR Failed "reading readback protection status for application core". Error: code: 1, description: Generic, message: Batch task protection-get failed, Emulator error: Failed to open connection
2025-09-10T10:49:21.939Z ERROR Error: Failed with exit code 1.
One or more batch tasks failed:
 * 1051285002: Emulator error: Failed to open connection (Generic)


Message: Batch task protection-get failed, Emulator error: Failed to open connection.
2025-09-10T10:49:21.939Z ERROR Error: Failed with exit code 1.
One or more batch tasks failed:
 * 1051285002: Emulator error: Failed to open connection (Generic)


Message: Batch task protection-get failed, Emulator error: Failed to open connection.
2025-09-10T10:49:23.009Z INFO Getting serial port options from the persistent store for 001051285002.pc-nrfconnect-programmer
2025-09-10T10:49:23.010Z INFO Device connected with the serial number 001051285002
2025-09-10T10:49:23.010Z DEBUG Sending event "programmer: device connected"

[dejans]

Hi,

Can you show all steps you made when accidently erasing all data using Programmer application?

Which commands gave 2 shown output logs?

Best regards,
Dejan

[Oleg-AgamControl]

On "nrfConnect for Desktop" > "Programmer (v4.6.2)" select device and press "Erase all" button - These are the steps after which the board stopped functioning

First log - when after "Erase all"  I try to use "Quick Start" from "nrfConnect for Desktop" 
Second log - when after "Erase all"  I try to do "Reset" tor "Read" with "nrfConnect for Desktop" > "Programmer (v4.6.2)" 

[dejans]

Hi,

You could try to recover your device using 

nrfutil device recover

Best regards,
Dejan

[Oleg-AgamControl]

"nrfutil device recover" fail with the error

⠒ Recover 1051285002        
⠒ Recover 1051285002
⠓ Recover 1051285002
x Failed to recover 1051285002, Timed out waiting for response from worker.
x Failed to recover 1051285002, Timed out waiting for response from worker.
Recover 1051285002  
Error: One or more recover tasks failed:
* 1051285002: Timed out waiting for response from worker. (Generic)

[dejans]

Hi,

Can you share your log with Verbose Logging on?
Verbose logging can be enabled in Programmer app after selecting About tab.

Best regards,
Dejan

[Oleg-AgamControl]

The only working solution (found with ChatGPT) was to use the "nrfjprog -f NRF91 --recover"  command. After that, the board returned to a functional state