https://devzone.nordicsemi.com/f/nordic-q-a/65681/flash-erase-and-write-when-the-bluetooth-connectionHi Nordic When the BLE is connecting, the fs_event_handler hasn&#39;t any callback after doing nrf_fstorage_erase or nrf_fstorage_write. It seems like the storage (nrf_fstorage_is_busy) is always busy. But when the BLE is disconnecting, this functionen-USTelligent Community 13Tue, 08 Sep 2020 18:05:46 GMThttps://devzone.nordicsemi.com/thread/268597?ContentTypeID=1Tue, 08 Sep 2020 18:05:46 GMT137ad170-7792-4731-bb38-c0d22fbe4515:2df7bb64-504a-41f1-b258-4a4d5cc65adcKenneth<p>Is it possible that you are calling fstorage api from an interrupt handler, and this prevent the&nbsp;<span>fs_event_handler to be called due to the interrupt priority?</span></p> <p><span>Alternatively, is it possible that you are using the app scheduler, and thereby you need to&nbsp;run&nbsp;</span>app_sched_execute() until it&#39;s executed?</p><div style="clear:both;"></div>