https://devzone.nordicsemi.com/f/nordic-q-a/100930/can-i-remove-mbr-parameter-storage-areaHi, I want to remove MBR parameter storage area(0xFE000 to 0xFF000). Because we have code size problem. We have our own spi bootloader to get new application and settings from external flash. In my mind, Bootloader settings in 0xFF000 to 0x100000en-USTelligent Community 13Tue, 20 Jun 2023 05:02:56 GMThttps://devzone.nordicsemi.com/thread/431863?ContentTypeID=1Tue, 20 Jun 2023 05:02:56 GMT137ad170-7792-4731-bb38-c0d22fbe4515:ec5ec6ed-591d-4fc8-8d18-067d061a6affJohnCC<p>Hi Sigurd,</p> <p></p> <p>&nbsp; &nbsp; &nbsp; I use SDK17.0.2 and nrf52840.</p> <p></p> <p>In our bootloader, I don&#39;t use any DFU function. My update image from external flash by SPI.</p> <p>Thank you.</p> <p></p> <p>John.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/431813?ContentTypeID=1Mon, 19 Jun 2023 14:29:31 GMT137ad170-7792-4731-bb38-c0d22fbe4515:7f0f7649-3750-4fdb-810f-fe77ad726830Sigurd Hellesvik<p>Hi,</p> <p>Which version of the SDK do you use?</p> <p>See &nbsp;<a href="https://devzone.nordicsemi.com/f/nordic-q-a/57344/error-bootloader-when-use-mbr-parameter-storage-as-application-data-area">Error bootloader when use MBR parameter storage as application data area</a> . Does this answer your questions?</p> <p>Regards,<br />Sigurd Hellesvik</p><div style="clear:both;"></div>