https://devzone.nordicsemi.com/f/nordic-q-a/120545/flashing-problem-on-custom-board-using-nrf52832Dears, I made custom board using nRF52832 and tried to write FW in flash. But I failed it. *. HW JTAG : J-Link V9+ *. SW tool : nRF Command Line(nrfjprog) Step #1. For disable APPROTECT, nrfjprog --recover Step #2. nrfjprog command for flashen-USTelligent Community 13Wed, 09 Apr 2025 03:59:27 GMThttps://devzone.nordicsemi.com/thread/531111?ContentTypeID=1Wed, 09 Apr 2025 03:59:27 GMT137ad170-7792-4731-bb38-c0d22fbe4515:72b39a2b-2036-4b40-80ee-66b13e404720magnolia<p>Hi Asbjorn,</p> <p>Thank you so much for your detail comment.</p> <p>This issue was solved.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/531005?ContentTypeID=1Tue, 08 Apr 2025 10:59:18 GMT137ad170-7792-4731-bb38-c0d22fbe4515:50a5ae65-f625-4372-84da-1566f4a09331Asbj&#248;rn<div style="border:0;color:rgba(0, 0, 0, 1);direction:ltr;font-size:11pt;font-style:normal;font-weight:400;letter-spacing:normal;line-height:inherit;margin:0;padding:0;text-indent:0;text-transform:none;vertical-align:baseline;white-space:normal;">Hello Terry,</div> <div style="border:0;color:rgba(0, 0, 0, 1);direction:ltr;font-size:11pt;font-style:normal;font-weight:400;letter-spacing:normal;line-height:inherit;margin:0;padding:0;text-indent:0;text-transform:none;vertical-align:baseline;white-space:normal;"></div> <div style="border:0;color:rgba(0, 0, 0, 1);direction:ltr;font-size:11pt;font-style:normal;font-weight:400;letter-spacing:normal;line-height:inherit;margin:0;padding:0;text-indent:0;text-transform:none;vertical-align:baseline;white-space:normal;">Firstly, I&#39;d like to point out that nrfjprog is no longer the recommended tool, it&#39;s been replaced with this:<span>&nbsp;</span><a style="border:0;margin:0;padding:0;vertical-align:baseline;" href="https://www.nordicsemi.com/Products/Development-tools/nRF-Util">https://www.nordicsemi.com/Products/Development-tools/nRF-Util</a></div> <div style="background-color:inherit;border:0;color:inherit;font-size:medium;font-style:normal;font-weight:400;letter-spacing:normal;line-height:inherit;margin:0;padding:0;text-indent:0;text-transform:none;vertical-align:baseline;white-space:normal;"> <div style="border:0;color:inherit;margin:16px 0;max-width:800px;padding:0;vertical-align:baseline;width:600px;"> <table style="border:1px solid rgba(200, 200, 200, 1);border-radius:2px;padding:12px 36px 12px 12px;width:600px;"> <tbody> <tr style="border-spacing:0;" valign="top"> <td> <div style="border:0;color:inherit;height:144px;margin:0 12px 0 0;overflow:hidden;padding:0;vertical-align:baseline;width:240px;"><a style="border:0;margin:0;padding:0;vertical-align:baseline;" href="https://www.nordicsemi.com/Products/Development-tools/nRF-Util" rel="noopener noreferrer" target="_blank"><img style="max-height:144px;max-width:240px;" src="https://devzone.nordicsemi.com/resized-image/__size/480x288/__key/communityserver-discussions-components-files/4/pastedimage1744109954442v1.png" alt=" " /></a></div> </td> <td style="width:289.6px;"> <div style="border:0;color:inherit;font-size:21px;font-style:inherit;font-weight:300;line-height:inherit;margin:0 8px 12px 0;padding:0;vertical-align:baseline;"><a style="border:0;margin:0;padding:0;text-decoration:none;vertical-align:baseline;" href="https://www.nordicsemi.com/Products/Development-tools/nRF-Util" rel="noopener noreferrer" target="_blank">nRF Util - nordicsemi.com</a></div> <div style="border:0;color:rgba(102, 102, 102, 1);font-size:14px;font-style:inherit;font-weight:inherit;line-height:inherit;margin:0 8px 12px 0;max-height:100px;overflow:hidden;padding:0;vertical-align:baseline;">The nRF Utilcompletion command makes it easier for users to interact with nrfutil and find available commands, subcommands, and flags. It can be installed by typing nrfutil install completion, followed by nrfutil completion install bash | powershell | zsh, and the user is then provided the necessary steps to complete setup.Pressing Tab or Ctrl+space will invoke menus and auto-completion ...</div> <div style="border:0;color:rgba(166, 166, 166, 1);font-size:14px;font-style:inherit;font-weight:400;line-height:inherit;margin:0;padding:0;vertical-align:baseline;">www.nordicsemi.com</div> </td> </tr> </tbody> </table> <div style="border:0;color:inherit;cursor:pointer;height:32px;margin:0;padding:0;right:4px;text-align:center;top:4px;vertical-align:baseline;width:32px;" title="Remove link preview"><i style="display:block;font-family:controlIcons;font-size:17px;font-style:normal;font-weight:300;line-height:32px;margin:auto;"></i></div> </div> </div> <div style="border:0;color:rgba(0, 0, 0, 1);font-size:11pt;font-style:normal;font-weight:400;letter-spacing:normal;line-height:inherit;margin:0;padding:0;text-indent:0;text-transform:none;vertical-align:baseline;white-space:normal;"></div> <div style="border:0;color:rgba(0, 0, 0, 1);direction:ltr;font-size:11pt;font-style:normal;font-weight:400;letter-spacing:normal;line-height:inherit;margin:0;padding:0;text-indent:0;text-transform:none;vertical-align:baseline;white-space:normal;"></div> <div style="border:0;color:rgba(0, 0, 0, 1);direction:ltr;font-size:11pt;font-style:normal;font-weight:400;letter-spacing:normal;line-height:inherit;margin:0;padding:0;text-indent:0;text-transform:none;vertical-align:baseline;white-space:normal;">That said, in your case, it should be returning these errors. It&#39;s not possible to say immediately what is causing this, but there are some things to check.</div> <div style="border:0;color:rgba(0, 0, 0, 1);direction:ltr;font-size:11pt;font-style:normal;font-weight:400;letter-spacing:normal;line-height:inherit;margin:0;padding:0;text-indent:0;text-transform:none;vertical-align:baseline;white-space:normal;">Q1: Have you been able to successfully program your custom board using this method at any point?</div> <div style="border:0;color:rgba(0, 0, 0, 1);direction:ltr;font-size:11pt;font-style:normal;font-weight:400;letter-spacing:normal;line-height:inherit;margin:0;padding:0;text-indent:0;text-transform:none;vertical-align:baseline;white-space:normal;">Q2: Could I ask you to check the power to the custom board? Are you supplying that through the programming interface?</div> <div style="border:0;color:rgba(0, 0, 0, 1);direction:ltr;font-size:11pt;font-style:normal;font-weight:400;letter-spacing:normal;line-height:inherit;margin:0;padding:0;text-indent:0;text-transform:none;vertical-align:baseline;white-space:normal;">Q3. Are you prgoramming the custom board through a DK? How is the DK powered?</div> <div style="border:0;color:rgba(0, 0, 0, 1);direction:ltr;font-size:11pt;font-style:normal;font-weight:400;letter-spacing:normal;line-height:inherit;margin:0;padding:0;text-indent:0;text-transform:none;vertical-align:baseline;white-space:normal;">Q4: Could you send a picture of the setup you are using?</div> <div style="border:0;color:rgba(0, 0, 0, 1);direction:ltr;font-size:11pt;font-style:normal;font-weight:400;letter-spacing:normal;line-height:inherit;margin:0;padding:0;text-indent:0;text-transform:none;vertical-align:baseline;white-space:normal;"></div> <div style="border:0;color:rgba(0, 0, 0, 1);direction:ltr;font-size:11pt;font-style:normal;font-weight:400;letter-spacing:normal;line-height:inherit;margin:0;padding:0;text-indent:0;text-transform:none;vertical-align:baseline;white-space:normal;"></div> <div style="border:0;color:rgba(0, 0, 0, 1);direction:ltr;font-size:11pt;font-style:normal;font-weight:400;letter-spacing:normal;line-height:inherit;margin:0;padding:0;text-indent:0;text-transform:none;vertical-align:baseline;white-space:normal;">Best regards</div> <div style="border:0;color:rgba(0, 0, 0, 1);direction:ltr;font-size:11pt;font-style:normal;font-weight:400;letter-spacing:normal;line-height:inherit;margin:0;padding:0;text-indent:0;text-transform:none;vertical-align:baseline;white-space:normal;">Asbjørn</div><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/530956?ContentTypeID=1Tue, 08 Apr 2025 07:45:26 GMT137ad170-7792-4731-bb38-c0d22fbe4515:6af02327-718f-4bd2-a6a7-85d1a745daf4snoopy20<p>It&#39;s the connection. Check all the usual things required for connecting to the NRF52; power, 2x programming pins.</p><div style="clear:both;"></div>