https://devzone.nordicsemi.com/f/nordic-q-a/8932/sd-calls-fail-in-bootloaderHi! We are currently writing a simple bootloader which reads the new application image from a external SPI based flash memory. We are using the S110 SoftDevice, which works excellent with our main application. The bootloader is placed @0x38000,en-USTelligent Community 13Mon, 31 Aug 2015 12:13:28 GMThttps://devzone.nordicsemi.com/thread/32867?ContentTypeID=1Mon, 31 Aug 2015 12:13:28 GMT137ad170-7792-4731-bb38-c0d22fbe4515:e2f7e564-4ce0-42b1-9fc4-b6dd7fc49221henriks<p>Great! Running sd_mbr_command fixed the issue!</p> <p>Thanks!</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/32866?ContentTypeID=1Mon, 31 Aug 2015 07:48:03 GMT137ad170-7792-4731-bb38-c0d22fbe4515:fc000e3b-b5c8-40c8-8cfa-35838f67b799Hung Bui<p>Hi Henriks,</p> <p>The issue was that the vector table need to be forwarded to the softdevice before it can be initialized. Please have a look at section B in <a href="https://devzone.nordicsemi.com/blogs/685/common-faq-on-dfu/">this FAQ</a>.</p><div style="clear:both;"></div>