https://devzone.nordicsemi.com/f/nordic-q-a/9674/how-to-start-ota-dfuHi, I use NRF51822 QFAC chip, SDK is 8.1.1, soft device is S110. The base project is ble_app_uart. Now I want to add OTA DFU into my project. But I don&#39;t know how to start this work. Any demo or Document should I learn fisrt?en-USTelligent Community 13Thu, 14 Jan 2016 14:27:44 GMThttps://devzone.nordicsemi.com/thread/35768?ContentTypeID=1Thu, 14 Jan 2016 14:27:44 GMT137ad170-7792-4731-bb38-c0d22fbe4515:97a33795-4725-4ecd-bd08-ff7ed98760f8bjorn-spockeli<p>@mansfield: Could you mark the answer as correct( click the check mark to the left) ?</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/35767?ContentTypeID=1Tue, 13 Oct 2015 02:47:29 GMT137ad170-7792-4731-bb38-c0d22fbe4515:004e6b5f-959a-4235-adf6-5fafdd80dbe1mansfield<p>Thank you! It&#39;s really useful!</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/35766?ContentTypeID=1Mon, 12 Oct 2015 07:46:50 GMT137ad170-7792-4731-bb38-c0d22fbe4515:721f1ac3-ed56-4e3f-8ed9-02b9e1c908e9bjorn-spockeli<p>I would take a look at <a href="http://infocenter.nordicsemi.com/topic/com.nordic.infocenter.sdk51.v9.0.0/bledfu_appextending.html">this</a> page on our InfoCenter, it explains how to add the DFU service to an application.</p><div style="clear:both;"></div>