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SDK 13.0.0 Buttonless DFU won't enter boot mode

Mark P. Mendelsohn

Starting notification and then writing 0x01 to the control point does not cause the Buttonless DFU to enter boot mode. LED #1 remains on.

Run time trace show:

APP:INFO:advertising is started
APP:INFO:Connected
APP:INFO:Received indication state 0, notification state 1

Log from LightBlue shows:

17:39:26.322 — Connected to nearby peripheral: Nordic_Buttonless
17:39:26.948 — Discovered nearby peripheral: (null) (RSSI: -94)
17:39:27.291 — Stopping search for nearby peripherals
17:39:36.236 — Characteristic (8EC90003-F315-4F60-9FB8-838830DAEA50) wrote new value: <01>
17:39:39.325 — Starting search for nearby peripherals
17:39:39.840 — Disconnecting from nearby peripheral: Nordic_Buttonless
17:39:39.854 — Disconnected from nearby peripheral Nordic_Buttonless
17:39:40.455 — Discovered nearby peripheral: (null) (RSSI: -78)
17:39:40.515 — Stopping search for nearby peripherals
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  • 0 in reply to Mark P. Mendelsohn

    Hello, can you describe more precisely what you did? I have the same problem. I merged the bootloader and the bootloader_settings.

    At the package generation, I generate a SD+BOOT+APP with the merged_boot.hex file. I can't programm it via DFU.

    I also tried to programm the merged.hex by means of nrfgostudio. That doesn't work either

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