https://devzone.nordicsemi.com/f/nordic-q-a/13023/application-settings-with-dfuHello, what address in flash is it safe to store my application settings (some calibraton data) which should be preserved during application updates. I use S110 v8, dfu_dual_bank_ble_s110_pa10028 and nrf51822 (256 kB flash, 16 kB RAM). My bootloaderen-USTelligent Community 13Thu, 07 Apr 2016 09:41:51 GMThttps://devzone.nordicsemi.com/thread/49641?ContentTypeID=1Thu, 07 Apr 2016 09:41:51 GMT137ad170-7792-4731-bb38-c0d22fbe4515:73f33b42-d541-4821-b7f3-4b8c6f4c1acbbjorn-spockeli<p>Use the <a href="http://infocenter.nordicsemi.com/topic/com.nordic.infocenter.sdk51.v9.0.0/lib_pstorage.html?resultof=%22%70%65%72%73%69%73%74%61%6e%74%22%20%22%70%65%72%73%69%73%74%22%20">Persistant Storage Manager</a> to store the application data.</p> <p>It will place the data below the bootloader and you configure the bootloader to retain application data by setting the<code>DFU_APP_DATA_RESERVED</code> in <code>dfu_types.h</code>to the number of bytes you want to preserve, please see <a href="http://infocenter.nordicsemi.com/index.jsp?topic=%2Fcom.nordic.infocenter.sdk5.v11.0.0%2Fbledfu_memory_appdata.html">this</a> page on our Infocenter for more information.</p> <p>-Bjørn</p><div style="clear:both;"></div>