https://devzone.nordicsemi.com/f/nordic-q-a/49573/change-the-bootloader-start-address-when-upgrade-the-sdk-from-11-0-to-sdk15-xHi Nordic, I have old NRF52832 product which is developed by SDK11.0. The bootloader start address was set to 0x79000. Now We want to upgrade the it firmware by using the SDK15.x. And we need to change to bootloader start address to 0x76000 to makeen-USTelligent Community 13Thu, 11 Jul 2019 12:49:15 GMThttps://devzone.nordicsemi.com/thread/197852?ContentTypeID=1Thu, 11 Jul 2019 12:49:15 GMT137ad170-7792-4731-bb38-c0d22fbe4515:864c75b6-911a-437a-900a-5d58044601c4AndreasF<p>Hi.</p> <p>Can you take a look at <a href="https://devzone.nordicsemi.com/f/nordic-q-a/18199/dfu---updating-from-legacy-sdk-v11-0-0-bootloader-to-secure-sdk-v12-x-0-bootloader">this</a>? I don&#39;t see how APPROTECT would affect anything.</p> <p>Best regards,</p> <p>Andreas</p><div style="clear:both;"></div>