Softdevice ID for NO softdevicehttps://devzone.nordicsemi.com/f/nordic-q-a/36479/softdevice-id-for-no-softdeviceWhat is the ID for indicating that NO SD is required in a DFU pkg? I am using SDK15 with a secure UART bootloader, but NO soft device. (just MBR, APP, BL &amp; BL settings) When I use &quot;nrfutil pkg generate --application app.hex --hw-version 52 --key-fileen-USTelligent Community 13Wed, 18 Jul 2018 12:15:23 GMTRE: Softdevice ID for NO softdevicehttps://devzone.nordicsemi.com/thread/140521?ContentTypeID=1Wed, 18 Jul 2018 12:15:23 GMT137ad170-7792-4731-bb38-c0d22fbe4515:8cdf060e-0fda-435a-bb76-988d949aca7ftesc<p>Hi,</p> <p>Thank you for sharing the solution! I marked your comment stating the solution as verified answer, and the case is now closed.</p> <p>Regards,<br />Terje</p><div style="clear:both;"></div>RE: Softdevice ID for NO softdevicehttps://devzone.nordicsemi.com/thread/140516?ContentTypeID=1Wed, 18 Jul 2018 11:59:29 GMT137ad170-7792-4731-bb38-c0d22fbe4515:f355a40f-11aa-4d33-8e32-08280a301c65W9<p>I believe this has been resolved. Please mark this case as closed.</p> <p>Wayne</p><div style="clear:both;"></div>RE: Softdevice ID for NO softdevicehttps://devzone.nordicsemi.com/thread/140284?ContentTypeID=1Mon, 16 Jul 2018 18:18:43 GMT137ad170-7792-4731-bb38-c0d22fbe4515:bc8e2741-cfb5-4966-9196-056b77c0bf7eW9<p>After more searching, I found my answer to this question. In SDK 15, DFU Bootloader examples, Secure DFU Bootloader over Serial Link, in the Acceptance&nbsp; rules for Versions, bullet SoftDevice Firmware ID; Follow the link to &#39;Updates without a SoftDevice;&#39; a value of 0x00 implies no SD is required.</p><div style="clear:both;"></div>