https://devzone.nordicsemi.com/f/nordic-q-a/60758/nrf5x-ob-jlink-if-bin-is-not-longer-available-on-your-web-siteI have two PCA10031 dongles and both seem to be bricked. When I search your web site, I keep finding posts that state that I need to transfer nRF5x-OB-JLink-IF.bin to my device. But every link to this binary in invalid. I saw a reference to &#39;nRF51-Dongleen-USTelligent Community 13Wed, 29 Apr 2020 16:38:48 GMThttps://devzone.nordicsemi.com/thread/247406?ContentTypeID=1Wed, 29 Apr 2020 16:38:48 GMT137ad170-7792-4731-bb38-c0d22fbe4515:80c1350f-df81-47e3-9d9f-9fc650b50388JimInCA<p>Thanks!&nbsp; That worked perfectly!</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/247244?ContentTypeID=1Wed, 29 Apr 2020 08:54:25 GMT137ad170-7792-4731-bb38-c0d22fbe4515:b230e290-f8be-4689-8b59-d207c098e169Kenneth<p><a href="https://devzone.nordicsemi.com/cfs-file/__key/support-attachments/beef5d1b77644c448dabff31668f3a47-78af977bea0d43079bd920c9459551ca/J_2D00_Link-OB_2D00_SAM3U128_2D00_V2_2D00_NordicSemi-170724.bin">devzone.nordicsemi.com/.../J_2D00_Link-OB_2D00_SAM3U128_2D00_V2_2D00_NordicSemi-170724.bin</a></p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/247163?ContentTypeID=1Tue, 28 Apr 2020 17:54:54 GMT137ad170-7792-4731-bb38-c0d22fbe4515:2a89fd2b-7f82-4405-8f4d-85f6272ffde6JimInCA<p>The zip in the link that you sent does not have nRF5x-OB-JLink-IF.bin binary file as called out in the last reply to that link.<br /><br />So where can I find nRF5x-OB-JLink-IF.bin?</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/247060?ContentTypeID=1Tue, 28 Apr 2020 11:16:25 GMT137ad170-7792-4731-bb38-c0d22fbe4515:443331f6-1466-4357-9eee-1b43a782cb11Kenneth<p>Try this:&nbsp;<a href="https://devzone.nordicsemi.com/f/nordic-q-a/44834/cannot-find-nrf5x-ob-jlink-if-bin-for-nrf51-usb-dongle">https://devzone.nordicsemi.com/f/nordic-q-a/44834/cannot-find-nrf5x-ob-jlink-if-bin-for-nrf51-usb-dongle</a></p><div style="clear:both;"></div>