https://devzone.nordicsemi.com/f/nordic-q-a/7763/why-save-flash-doesn-t-work-sometime-when-bt-is-activeHello, Sometime when we try to save data in Flash the operation failed and that only when the bluetooth is init. We use Nordic nRF51822 with 256 Ko Flash. Thanks.en-USTelligent Community 13Mon, 22 Jun 2015 17:17:15 GMThttps://devzone.nordicsemi.com/thread/27641?ContentTypeID=1Mon, 22 Jun 2015 17:17:15 GMT137ad170-7792-4731-bb38-c0d22fbe4515:d78e1989-7b1e-4013-b2d8-bbad3b5119b5Petter Myhre<p>Have a look at <a href="https://devzone.nordicsemi.com/question/38332/nrf51-flush-data-example/">this</a> question. Please let me know if anything is unclear.</p> <p>If it doesn&#39;t help, please edit your question to include how you are writing to flash.</p><div style="clear:both;"></div>