The new nrf51822 can&#39;t run old programhttps://devzone.nordicsemi.com/f/nordic-q-a/9579/the-new-nrf51822-can-t-run-old-programHi: We develop our program based on (nrf51822 QFAAG0 1403AL), I found a serious problem that our new IC is (nrf51822 QFAAG2 1415AF), and the old program can&#39;t run on it any more. especilly program connect to DFU! Can you tell me the reason and the wayen-USTelligent Community 13Thu, 08 Oct 2015 07:22:52 GMTRE: The new nrf51822 can't run old programhttps://devzone.nordicsemi.com/thread/35386?ContentTypeID=1Thu, 08 Oct 2015 07:22:52 GMT137ad170-7792-4731-bb38-c0d22fbe4515:3283f658-50d0-46c5-9b7f-e98a1cdeffa9Susheel Nuguru<p>it does not happen that the ble just doesn&#39;t broadcase without any errors in application/softdevice (assuming the hardware is ok). How did you debug this and conclude that there are no errors?</p><div style="clear:both;"></div>RE: The new nrf51822 can't run old programhttps://devzone.nordicsemi.com/thread/35385?ContentTypeID=1Tue, 06 Oct 2015 11:52:50 GMT137ad170-7792-4731-bb38-c0d22fbe4515:fda3fc96-c404-47c9-9aed-6c9a20a97af7chenyu<p>There is no error,but after download program(bootloader with dfu)into nrf51822; The ble can&#39;t broadcast.</p><div style="clear:both;"></div>RE: The new nrf51822 can't run old programhttps://devzone.nordicsemi.com/thread/35384?ContentTypeID=1Tue, 06 Oct 2015 06:00:37 GMT137ad170-7792-4731-bb38-c0d22fbe4515:9eae3189-f89e-4e33-abad-328ebc5b7f39Susheel Nuguru<p>Can you give us little more details of what you tried and what is not working? Can you debug the code to see where it fails?</p><div style="clear:both;"></div>