https://devzone.nordicsemi.com/f/nordic-q-a/30067/dfu-problemHi Nordic I saw the Dfu example. BLE Secure DFU Bootloader and Buttonless DFU Template Application. I have two questions here. The boot loader and app distinguish a ram area, should I divide this area? And another question is, what advantages do Ien-USTelligent Community 13Fri, 02 Feb 2018 00:01:26 GMThttps://devzone.nordicsemi.com/thread/119447?ContentTypeID=1Fri, 02 Feb 2018 00:01:26 GMT137ad170-7792-4731-bb38-c0d22fbe4515:98b2acfa-20b3-4c26-b41f-1b16fb8be9e8hongpal<p><span>I understand at once I appreciate the explanation</span></p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/119386?ContentTypeID=1Thu, 01 Feb 2018 13:39:05 GMT137ad170-7792-4731-bb38-c0d22fbe4515:df388325-6eab-4abd-a6c3-d14e765837f2Vidar Berg<p>Hi,</p> <p>Bootloader and application are linked separately in flash, but share the same RAM region since they are never&nbsp;run concurrently. RAM is re-initialized by the respective reset handler when you &#39;jump&#39; between bootloader and application.</p> <p><span style="color:black;font-family:&#39;Arial&#39;, sans-serif;font-size:9.0pt;">The bootloader provides the DFU functionality (i.e., receiving and activating new FW images), while the&nbsp;Buttonless DFU Template Application example&nbsp;demonstrates how to enter bootloader DFU mode from the main application.</span></p> <p>More information about the bootloader implementation:&nbsp; &nbsp;<a href="http://infocenter.nordicsemi.com/topic/com.nordic.infocenter.sdk5.v14.2.0/lib_bootloader_modules.html?cp=4_0_0_3_5">http://infocenter.nordicsemi.com/topic/com.nordic.infocenter.sdk5.v14.2.0/lib_bootloader_modules.html?cp=4_0_0_3_5</a>&nbsp;</p><div style="clear:both;"></div>