https://devzone.nordicsemi.com/f/nordic-q-a/18672/permanent-data-storage-in-ble-nanohello i am using redbear lab&#39;s ble nano with nrf nrf51822 chipset in it. now i need to permanently store some data like sensor values and mac address of central devices etc. but i have no any idea about permanent data storage in flash memmory. ien-USTelligent Community 13Mon, 02 Jan 2017 13:00:06 GMThttps://devzone.nordicsemi.com/thread/72100?ContentTypeID=1Mon, 02 Jan 2017 13:00:06 GMT137ad170-7792-4731-bb38-c0d22fbe4515:0b362033-5381-4fc2-af1a-0ed218df3d7brun_ar<p>For information about the redbearlabs arduino libreries, did you try to ask on redbearlabs forum?</p> <p>Anyway, it looks like they have included nordic SDK components, so you can probably use <a href="https://github.com/RedBearLab/nRF51822-Arduino/tree/S130/arduino-1.6.x/hardware/RBL/RBL_nRF51822/cores/RBL_nRF51822/ble-nrf51822-master/source/nordic_sdk/components/libraries/fds">FDS</a> if that fits your usecase. You can find (nordics) documentation for this <a href="http://infocenter.nordicsemi.com/topic/com.nordic.infocenter.sdk5.v12.2.0/lib_fds.html?cp=4_0_1_3_37">here</a>.</p><div style="clear:both;"></div>