https://devzone.nordicsemi.com/f/nordic-q-a/10781/i-can-not-re-download-application-by-keil4i can not re-download application by keil4 i download softdevice and the application to Equipment by nrf51422 then it can works but when i disconnect usb line and connect again then i try to download application by keil 4 once agin it jumps up twoen-USTelligent Community 13Fri, 18 Dec 2015 09:49:04 GMThttps://devzone.nordicsemi.com/thread/40288?ContentTypeID=1Fri, 18 Dec 2015 09:49:04 GMT137ad170-7792-4731-bb38-c0d22fbe4515:db2c72f9-44f1-49f3-b53f-590f558de793Alex<p>i think that is version problem so i uninstall all and install the latest version then it works</p> <p>but thx =)</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/40287?ContentTypeID=1Thu, 10 Dec 2015 10:10:24 GMT137ad170-7792-4731-bb38-c0d22fbe4515:c863b49f-5b10-465b-82de-39e01e36354bAnders Strand<p>Have you chosen your device for flashing? It is done here:</p> <p><a href="https://devzone.nordicsemi.com/attachment/ad113cd8082bfe3da24b952e9d4f203a"><img src="https://devzone.nordicsemi.com/cfs-file/__key/communityserver-discussions-components-files/4/6470.Capture.PNG" alt="image description" /></a></p><div style="clear:both;"></div>