https://devzone.nordicsemi.com/f/nordic-q-a/123872/nrf-connect-version-2025-8-654-project-will-no-longer-build-toolchain-1-7-1-no-longer-availableI have a project that was built with SDK and toolchains 1.7.1. This firmware is used in a fielded product. I can&#39;t upgrade it to a newer version of the SDK without having to re-do all of our Bluetooth licensing for a new version. I am attempting toen-USTelligent Community 13Fri, 22 Aug 2025 10:16:37 GMThttps://devzone.nordicsemi.com/thread/546438?ContentTypeID=1Fri, 22 Aug 2025 10:16:37 GMT137ad170-7792-4731-bb38-c0d22fbe4515:82c037fc-947a-4631-a2b2-f38709f8b643Susheel Nuguru<p>+1 to&nbsp;<a href="https://devzone.nordicsemi.com/members/turboj">Jörg Fischer</a>. Also consider reading <a href="https://docs.nordicsemi.com/bundle/ncs-1.7.1/page/nrf/gs_installing.html">this helping guide </a>for that SDK to install toolchain manually.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/546408?ContentTypeID=1Fri, 22 Aug 2025 06:47:10 GMT137ad170-7792-4731-bb38-c0d22fbe4515:d92968b0-d5c9-4652-81a3-1bcf72bcfa87Turbo J<p>The VS code plugin from nordic no longer supports 1.x toolchains and SDKs.</p> <p>You should still be able to build using the command line tools directly, i.e. <code>west build </code>your project<code>.</code></p><div style="clear:both;"></div>