https://devzone.nordicsemi.com/f/nordic-q-a/51685/how-do-i-get-the-latest-datas-from-fdsBased on nRF5_SDK_15.3.0_59ac345, a. fds_stat(&amp;stat), and stat.valid_records=8, It means that the records are written in b. err = fds_record_find(WK_UDM_FDS_FILE, WK_UDM_FDS_REC_NAME, &amp;_fds_desc, &amp;_fds_token) , and err=NRF_SUCCESS, It means that theen-USTelligent Community 13Tue, 03 Sep 2019 07:07:56 GMThttps://devzone.nordicsemi.com/thread/207551?ContentTypeID=1Tue, 03 Sep 2019 07:07:56 GMT137ad170-7792-4731-bb38-c0d22fbe4515:f51dacc3-879f-4c6f-a94c-1e6ab55c4e79Vidar Berg<p><span>Do you have any checks in your code to ensure that&nbsp;fds_record_write() is only called if there aren&#39;t any existing records with this particular ID?&nbsp; &nbsp;</span></p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/207550?ContentTypeID=1Tue, 03 Sep 2019 07:02:33 GMT137ad170-7792-4731-bb38-c0d22fbe4515:a857f15c-59d3-448d-9499-53ab11666555Hansome<p>Yes, one fds_record_write, others&nbsp;<span>fds_record_update.</span></p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/207541?ContentTypeID=1Tue, 03 Sep 2019 06:47:30 GMT137ad170-7792-4731-bb38-c0d22fbe4515:9ef91cfc-9767-47d7-9a90-23c7e9315ba7Vidar Berg<p>Hi,</p> <p>You&nbsp;will likely&nbsp;need to call <a href="https://infocenter.nordicsemi.com/topic/com.nordic.infocenter.sdk5.v15.3.0/group__fds.html#ga15112e682cc2c4771945fcf5816e3b1b">fds_record_find()</a>&nbsp;several times to find the most recent record if you have multiple records with the same record ID. In your case, is it possible to just use write once, then keep updating the same record with&nbsp;<span>fds_record_update()?</span></p><div style="clear:both;"></div>