<?xml-stylesheet type="text/xsl" href="https://test-devzone.nordicsemi.com/cfs-file/__key/system/syndication/rss.xsl" media="screen"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/" xmlns:wfw="http://wellformedweb.org/CommentAPI/"><channel><title>Device Firmware Update (DFU) with MCUBoot bootloader</title><link>/guides/nrf-connect-sdk-guides/b/software/posts/device-firmware-update-dfu-with-mcuboot-bootloader</link><description>Purpose
The purpose of this blog is to show how to create a Zephyr application that boots from the MCUBoot bootloader. We will also show how to update an application using the Device Firmware Update (DFU) feature of MCUBoot using a serial conne...</description><dc:language>en-US</dc:language><generator>Telligent Community 13 Non-Production</generator><item><title>RE: Device Firmware Update (DFU) with MCUBoot bootloader</title><link>https://test-devzone.nordicsemi.com/guides/nrf-connect-sdk-guides/b/software/posts/device-firmware-update-dfu-with-mcuboot-bootloader</link><pubDate>Sat, 09 Oct 2021 07:54:03 GMT</pubDate><guid isPermaLink="false">137ad170-7792-4731-bb38-c0d22fbe4515:5eacfa5e-147f-4427-9663-fd000e19c10e</guid><dc:creator>user104896</dc:creator><slash:comments>0</slash:comments><description>&lt;p&gt;Mark, thanks for the great article. Is there an option to enter the&amp;nbsp;buttonless DFU mode using ncs. As my custom board nRF52840 don&amp;#39;t have any buttons.&lt;/p&gt;&lt;img src="https://test-devzone.nordicsemi.com/aggbug?PostID=1337&amp;AppID=28&amp;AppType=Weblog&amp;ContentType=0" width="1" height="1"&gt;</description></item><item><title>RE: Device Firmware Update (DFU) with MCUBoot bootloader</title><link>https://test-devzone.nordicsemi.com/guides/nrf-connect-sdk-guides/b/software/posts/device-firmware-update-dfu-with-mcuboot-bootloader</link><pubDate>Fri, 09 Jul 2021 21:27:25 GMT</pubDate><guid isPermaLink="false">137ad170-7792-4731-bb38-c0d22fbe4515:5eacfa5e-147f-4427-9663-fd000e19c10e</guid><dc:creator>user16646</dc:creator><slash:comments>0</slash:comments><description>&lt;p&gt;Using&amp;nbsp;&lt;strong&gt;wmic path Win32_SerialPort Get Caption&lt;/strong&gt; to see the USB device no longer appears to work as shown in Step 29. However, the device manager still presents the &lt;strong&gt;Generic Bluetooth Adapter&lt;/strong&gt; with a warning indication.&amp;nbsp;&lt;img class="align-left" alt=" " src="/resized-image/__size/285x357/__key/commentfiles/f7d226abd59f475c9d224a79e3f0ec07-5eacfa5e-147f-4427-9663-fd000e19c10e/6557.2021_2D00_07_2D00_09_5F00_14_2D00_16_2D00_48.jpg" /&gt;&lt;/p&gt;&lt;img src="https://test-devzone.nordicsemi.com/aggbug?PostID=1337&amp;AppID=28&amp;AppType=Weblog&amp;ContentType=0" width="1" height="1"&gt;</description></item><item><title>RE: Device Firmware Update (DFU) with MCUBoot bootloader</title><link>https://test-devzone.nordicsemi.com/guides/nrf-connect-sdk-guides/b/software/posts/device-firmware-update-dfu-with-mcuboot-bootloader</link><pubDate>Thu, 08 Jul 2021 17:03:43 GMT</pubDate><guid isPermaLink="false">137ad170-7792-4731-bb38-c0d22fbe4515:5eacfa5e-147f-4427-9663-fd000e19c10e</guid><dc:creator>user16646</dc:creator><slash:comments>3</slash:comments><description>&lt;p&gt;Here is an updated solution for NCS v1.6.0&amp;nbsp;&amp;nbsp;[View:/cfs-file/__key/commentfiles/f7d226abd59f475c9d224a79e3f0ec07-5eacfa5e-147f-4427-9663-fd000e19c10e/hci_5F00_usb-uart-dfu.zip:320:240]&lt;br /&gt;[View:/cfs-file/__key/commentfiles/f7d226abd59f475c9d224a79e3f0ec07-5eacfa5e-147f-4427-9663-fd000e19c10e/blinky-uart-duf.zip:320:240]&amp;nbsp; Cheers&lt;/p&gt;&lt;img src="https://test-devzone.nordicsemi.com/aggbug?PostID=1337&amp;AppID=28&amp;AppType=Weblog&amp;ContentType=0" width="1" height="1"&gt;</description></item><item><title>RE: Device Firmware Update (DFU) with MCUBoot bootloader</title><link>https://test-devzone.nordicsemi.com/guides/nrf-connect-sdk-guides/b/software/posts/device-firmware-update-dfu-with-mcuboot-bootloader</link><pubDate>Fri, 19 Feb 2021 08:21:06 GMT</pubDate><guid isPermaLink="false">137ad170-7792-4731-bb38-c0d22fbe4515:5eacfa5e-147f-4427-9663-fd000e19c10e</guid><dc:creator>user101519</dc:creator><slash:comments>0</slash:comments><description>&lt;p&gt;More specifically, the following error message shows up when I try to&amp;nbsp;perform&amp;nbsp;step number 7&lt;/p&gt;
&lt;p&gt;&lt;br /&gt;zephyr/misc/generated/configs.c: In function &amp;#39;_ConfigAbsSyms&amp;#39;:&lt;br /&gt;C:/Users/vakur/ncs/v1.4.2/zephyr/include/toolchain/gcc.h:408:51: error: expected expression before &amp;#39;)&amp;#39; token&lt;br /&gt; 408 | &amp;quot;\n\t.type\t&amp;quot; #name &amp;quot;,%%object&amp;quot; : : &amp;quot;n&amp;quot;(~(value)))&lt;br /&gt; | ^&lt;br /&gt;zephyr/misc/generated/configs.c:34:1: note: in expansion of macro &amp;#39;GEN_ABSOLUTE_SYM&amp;#39;&lt;br /&gt; 34 | GEN_ABSOLUTE_SYM(CONFIG_BOOT_SERIAL_DETECT_PIN, );&lt;br /&gt; | ^~~~~~~~~~~~~~~~&lt;/p&gt;&lt;img src="https://test-devzone.nordicsemi.com/aggbug?PostID=1337&amp;AppID=28&amp;AppType=Weblog&amp;ContentType=0" width="1" height="1"&gt;</description></item><item><title>RE: Device Firmware Update (DFU) with MCUBoot bootloader</title><link>https://test-devzone.nordicsemi.com/guides/nrf-connect-sdk-guides/b/software/posts/device-firmware-update-dfu-with-mcuboot-bootloader</link><pubDate>Fri, 19 Feb 2021 08:14:46 GMT</pubDate><guid isPermaLink="false">137ad170-7792-4731-bb38-c0d22fbe4515:5eacfa5e-147f-4427-9663-fd000e19c10e</guid><dc:creator>user101519</dc:creator><slash:comments>0</slash:comments><description>&lt;p&gt;&lt;span&gt;Thanks for the great article. Unfortunately, I was not able to make this work on 1.4.2. Is there any update on the steps that I need to perform in order to make the same work for a newer version of NRF Connect Toolchain?&lt;/span&gt;&lt;/p&gt;&lt;img src="https://test-devzone.nordicsemi.com/aggbug?PostID=1337&amp;AppID=28&amp;AppType=Weblog&amp;ContentType=0" width="1" height="1"&gt;</description></item><item><title>RE: Device Firmware Update (DFU) with MCUBoot bootloader</title><link>https://test-devzone.nordicsemi.com/guides/nrf-connect-sdk-guides/b/software/posts/device-firmware-update-dfu-with-mcuboot-bootloader</link><pubDate>Tue, 15 Dec 2020 06:29:45 GMT</pubDate><guid isPermaLink="false">137ad170-7792-4731-bb38-c0d22fbe4515:5eacfa5e-147f-4427-9663-fd000e19c10e</guid><dc:creator>user96121</dc:creator><slash:comments>0</slash:comments><description>&lt;p&gt;Nice post! Could you please add&amp;nbsp; steps how to enter DFU mode using GPREGRET? Thanks!&amp;nbsp;&lt;/p&gt;&lt;img src="https://test-devzone.nordicsemi.com/aggbug?PostID=1337&amp;AppID=28&amp;AppType=Weblog&amp;ContentType=0" width="1" height="1"&gt;</description></item><item><title>RE: Device Firmware Update (DFU) with MCUBoot bootloader</title><link>https://test-devzone.nordicsemi.com/guides/nrf-connect-sdk-guides/b/software/posts/device-firmware-update-dfu-with-mcuboot-bootloader</link><pubDate>Sat, 12 Dec 2020 10:36:17 GMT</pubDate><guid isPermaLink="false">137ad170-7792-4731-bb38-c0d22fbe4515:5eacfa5e-147f-4427-9663-fd000e19c10e</guid><dc:creator>user16646</dc:creator><slash:comments>0</slash:comments><description>&lt;p&gt;There is no native Bluetooth HCI Drive within Windows. However, the device will appear in Device Manager as a failed Bluetooth-&amp;gt;Generic Bluetooth Adapter.&lt;/p&gt;&lt;img src="https://test-devzone.nordicsemi.com/aggbug?PostID=1337&amp;AppID=28&amp;AppType=Weblog&amp;ContentType=0" width="1" height="1"&gt;</description></item></channel></rss>