https://devzone.nordicsemi.com/f/nordic-q-a/19382/nrf52-flash-erase-problemHi, i use the original ble_app_template (sdk11) with two lines of code added by me (See below) which erase the last page in flash (flash_page_erase((uint32_t *)(pg_size * pg_num))). First line executes ok, but the second line not. I would like to be ableen-USTelligent Community 13Wed, 01 Feb 2017 15:21:16 GMThttps://devzone.nordicsemi.com/thread/75212?ContentTypeID=1Wed, 01 Feb 2017 15:21:16 GMT137ad170-7792-4731-bb38-c0d22fbe4515:33c47fcc-feaa-44e9-a138-b9ef582fa6d6Sigurd<p>Hi,</p> <p>After the SoftDevice have been enabled, you should use the <a href="https://infocenter.nordicsemi.com/topic/com.nordic.infocenter.s132.sds/dita/softdevices/s130/flash_mem_api/flash_mem_api.html?cp=2_3_0_0_7">Flash memory API</a>. Use <a href="https://infocenter.nordicsemi.com/topic/com.nordic.infocenter.s132.api.v5.0.0/group___n_r_f___s_o_c___f_u_n_c_t_i_o_n_s.html?cp=2_3_0_1_0_2_7_2_9#ga8b49f2e72e97291aecc18ce396956eed">sd_flash_write()</a> to write and <a href="https://infocenter.nordicsemi.com/topic/com.nordic.infocenter.s132.api.v5.0.0/group___n_r_f___s_o_c___f_u_n_c_t_i_o_n_s.html?cp=2_3_0_1_0_2_7_2_7#ga9c93dd94a138ad8b5ed3693ea38ffb3e">sd_flash_page_erase()</a> to erase. The API will schedule flash access in between radio events automatically, to avoid conflicts between the radio and the flash operations.</p> <p>If the erase is successful the <code>NRF_EVT_FLASH_OPERATION_SUCCESS</code> event will be received in sys_evt_dispatch().</p><div style="clear:both;"></div>