https://devzone.nordicsemi.com/f/nordic-q-a/3383/s130-ota-dfu-need-help-nrf51822Dear Developers! I&#39;m a newbie in nrf51822 My Project needs to change between central and peripheral role. How can I apply OTA DFU with S130 soft device ?. In nrf51822 DFU example I can only find the nrf51822 S110 example. Thanks for reading.en-USTelligent Community 13Sun, 16 Aug 2015 13:47:54 GMThttps://devzone.nordicsemi.com/thread/12292?ContentTypeID=1Sun, 16 Aug 2015 13:47:54 GMT137ad170-7792-4731-bb38-c0d22fbe4515:596bc3e2-ea33-4154-8c38-c708b5732373Freddy S&#248;rensen<p>If you download SDK 9.0.0, you can find example code for a S130 bootloader (dual_bank_ble_s130).</p><div style="clear:both;"></div>