https://devzone.nordicsemi.com/f/nordic-q-a/78784/slow-erase-times-j-link-sesHi, I&#39;ve been experiencing some very slow erase times in the erasing / programming stage. Consistently around 10s. I am using SEGGER Embedded Studio, J-Link V7.22, and the nrf53 DK to program a custom nrf52840 board. Under J-Link Control Panel Ien-USTelligent Community 13Mon, 23 Aug 2021 14:06:33 GMThttps://devzone.nordicsemi.com/thread/326219?ContentTypeID=1Mon, 23 Aug 2021 14:06:33 GMT137ad170-7792-4731-bb38-c0d22fbe4515:2e0913b4-d28d-45b3-b725-8916c282de72Sigurd<p>Hi,</p> <p>If it&#39;s erasing page-by-page, it might take some time. I&#39;m however not seeing that slow speeds when testing here.</p> <p>Try doing an erase-all, and see if it improves after that:</p> <p><img src="https://devzone.nordicsemi.com/resized-image/__size/640x480/__key/communityserver-discussions-components-files/4/pastedimage1629727458863v2.png" alt=" " /></p> <p>You might also want to check the SWD connection properties,</p> <p><img src="https://devzone.nordicsemi.com/resized-image/__size/640x480/__key/communityserver-discussions-components-files/4/pastedimage1629727435519v1.png" alt=" " />&nbsp;</p> <p>and check the SWD speed that is used:</p> <p><img src="https://devzone.nordicsemi.com/resized-image/__size/640x480/__key/communityserver-discussions-components-files/4/pastedimage1629727567848v3.png" alt=" " /></p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/326039?ContentTypeID=1Sat, 21 Aug 2021 09:38:34 GMT137ad170-7792-4731-bb38-c0d22fbe4515:cba29cb2-dcd4-4b9c-b7c6-3bcd6da7fa70HFrg<p>Is there any other information I can give to help find the cause?</p><div style="clear:both;"></div>