https://devzone.nordicsemi.com/f/nordic-q-a/3702/heated-device-hangs-after-power-cycleWe are running OTA DFU bootloader provided in SDK 6.0 on nrf51822. We noticed that when the chip has been on for a while and we quickly power cycle it, the bootloader sometimes hangs during start up. After further investigation, we were able to reliablyen-USTelligent Community 13Wed, 03 Sep 2014 18:57:19 GMThttps://devzone.nordicsemi.com/thread/13437?ContentTypeID=1Wed, 03 Sep 2014 18:57:19 GMT137ad170-7792-4731-bb38-c0d22fbe4515:89368ab3-8084-4d51-b2cc-c66f84cde850Konstantin K<p>Thank you. Support case submitted.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/13436?ContentTypeID=1Wed, 03 Sep 2014 08:49:52 GMT137ad170-7792-4731-bb38-c0d22fbe4515:7990ee59-d2e8-4590-b3e4-e7bed627665aAsbj&#248;rn<p>As this sounds like something that could become application specific and needs a bit of debugging I would ask you to contact <a href="https://www.nordicsemi.com/eng/Support">Nordic Tech support</a> for better assistance.</p><div style="clear:both;"></div>