Bootloader fails to jump to Applicationhttps://devzone.nordicsemi.com/f/nordic-q-a/76255/bootloader-fails-to-jump-to-applicationI have a project from 3 years ago (2018) that I&#39;m trying to make a simple update to the application code. The code downloads via the Segger Embedded Studio and runs correctly. However, when I use my release batch file (attached below) and load via nRFen-USTelligent Community 13Fri, 11 Jun 2021 14:01:59 GMTRE: Bootloader fails to jump to Applicationhttps://devzone.nordicsemi.com/thread/314942?ContentTypeID=1Fri, 11 Jun 2021 14:01:59 GMT137ad170-7792-4731-bb38-c0d22fbe4515:c0419707-5393-411a-99d2-e2dac52a2d8dVidar Berg<p>Thanks for confirming, I&#39;m glad to hear that it works now. Sorry for the inconvenience. </p><div style="clear:both;"></div>RE: Bootloader fails to jump to Applicationhttps://devzone.nordicsemi.com/thread/314937?ContentTypeID=1Fri, 11 Jun 2021 13:57:55 GMT137ad170-7792-4731-bb38-c0d22fbe4515:657e6d94-594c-408f-9e11-32282699d281Ignisuti<p>That was it! I was running 10.12.1. Moving to 10.12.2 fixed the issue!</p><div style="clear:both;"></div>RE: Bootloader fails to jump to Applicationhttps://devzone.nordicsemi.com/thread/314909?ContentTypeID=1Fri, 11 Jun 2021 12:24:01 GMT137ad170-7792-4731-bb38-c0d22fbe4515:11e81352-8876-4faa-a1b5-02f71f56a877Vidar Berg<p>Hello,</p> <p>What version of mergehex are you running ( you can run &#39;mergehex --version&#39; to check)? Reason I&#39;m asking is that we had a bug in version 10.12.0/1 that could lead to slight alterations in the final FW image. Enough to cause the boot validation to fail and make the bootloader fall back to DFU mode.</p> <p>Mergehex downloads:</p> <p><a href="https://www.nordicsemi.com/Software-and-tools/Development-Tools/nRF-Command-Line-Tools/Download">https://www.nordicsemi.com/Software-and-tools/Development-Tools/nRF-Command-Line-Tools/Download</a> </p><div style="clear:both;"></div>