https://devzone.nordicsemi.com/f/nordic-q-a/14330/nrf51422-can-not-sleep-after-flash-erasing-s310I&#39;m using the softdevice S310 on nRF51422 and when the softdevice is enable and I erase flash, the device won&#39;t go to sleep. My code implementation is like as below: int main(void) { ANT_init(); //into this function softdevice will be enableden-USTelligent Community 13Tue, 07 Jun 2016 12:23:15 GMThttps://devzone.nordicsemi.com/thread/54712?ContentTypeID=1Tue, 07 Jun 2016 12:23:15 GMT137ad170-7792-4731-bb38-c0d22fbe4515:862c8933-157e-4263-a3af-0b10541e35d9Luca122131<p>Hi, adding <code>sd_app_evt_wait();</code> after <code>sd_flash_page_erase(PAGE_NUM);</code>resolves the problem.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/54711?ContentTypeID=1Tue, 07 Jun 2016 11:46:42 GMT137ad170-7792-4731-bb38-c0d22fbe4515:a0e49b09-5c80-4e77-bb1e-1ec8ffb5c65dAnders Strand<p>Can you check the return code of sd_flash_page_erase? You can also check if there is any pending interrupts/evens using a debugger.</p><div style="clear:both;"></div>