https://devzone.nordicsemi.com/f/nordic-q-a/13791/bootloader-resetsHi, I use SDK v10, S110 v8 and dfu_dual_bank_ble_s100_pca10028. My application has dfu support. When I write 0x0104 to DFU control point characteristic, my device is switches to bootloader. For approx. 1 second I can see (using nrf master control panelen-USTelligent Community 13Thu, 12 May 2016 09:07:35 GMThttps://devzone.nordicsemi.com/thread/52706?ContentTypeID=1Thu, 12 May 2016 09:07:35 GMT137ad170-7792-4731-bb38-c0d22fbe4515:5af49b1b-897a-4b0a-8d82-250287ef76b2gaminn<p>The problem was watchdog - I use it in my application and soft reset to bootloader which doesn&#39;t serve the watchdog doesn&#39;t disable it.</p><div style="clear:both;"></div>