https://devzone.nordicsemi.com/f/nordic-q-a/18182/sd130-sdk-12-0-1-dfu-problemHello, I have some problem in DFU. I followed Nordic tutorial but I failed. Would you let me know what’s wrong? If you want to create your own firmware package for testing: a. Create a private key for the example. See Working with keysen-USTelligent Community 13Thu, 08 Dec 2016 13:46:56 GMThttps://devzone.nordicsemi.com/thread/70203?ContentTypeID=1Thu, 08 Dec 2016 13:46:56 GMT137ad170-7792-4731-bb38-c0d22fbe4515:2fca8d64-0214-4c7b-a56e-8495abbe15f9bjorn-spockeli<p>Duplicate question: <a href="https://devzone.nordicsemi.com/question/106200/sd130sdk1210-ble-bootloader-problem/">devzone.nordicsemi.com/.../</a></p><div style="clear:both;"></div>