https://devzone.nordicsemi.com/f/nordic-q-a/83872/nrf52832-sdk15-3-flash-erased-in-fieldHello, We have nRF52832 devices in the field, and one of the leading causes of warranty returns is that flash of nRF52 is completely erased. nrfjprog --readcode and --readuicr produce files filled with &quot;0xFF&quot;. This affects less than 0.1 % of all devicesen-USTelligent Community 13Mon, 24 Jan 2022 14:47:48 GMThttps://devzone.nordicsemi.com/thread/349314?ContentTypeID=1Mon, 24 Jan 2022 14:47:48 GMT137ad170-7792-4731-bb38-c0d22fbe4515:7044825c-bad8-4343-bd5c-1a49ccafc3f3Vidar Berg<p>I can&#39;t seem to find any other reports of this behavior. Have you tried to read out FICR and UICR as well?</p> <p>Also see my latest reply here: <a href="https://devzone.nordicsemi.com/f/nordic-q-a/83503/nrf52832-sdk15-3-flash-erased-at-the-end-addresses-application-runs-but-bootloader-cannot-be-entered">https://devzone.nordicsemi.com/f/nordic-q-a/83503/nrf52832-sdk15-3-flash-erased-at-the-end-addresses-application-runs-but-bootloader-cannot-be-entered</a></p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/348974?ContentTypeID=1Fri, 21 Jan 2022 14:40:40 GMT137ad170-7792-4731-bb38-c0d22fbe4515:7c8afd5f-ceae-44dc-9228-8c0bf82836acVidar Berg<p>Hello,</p> <p>I will heck internally if we have seen reports of this issue before and get back to you.&nbsp; As discussed in the previous ticket, I don&#39;t understand how the whole flash could become erased.</p> <p>Best regards,</p> <p>Vidar</p><div style="clear:both;"></div>