https://devzone.nordicsemi.com/f/nordic-q-a/18630/nrf51822-sdk-12-dfu-signingHi： I had been told that secure dfu of sdk 12 could be used to signing dfu. I want to know that sdk 12 is stable and reliable?en-USTelligent Community 13Wed, 28 Dec 2016 11:48:18 GMThttps://devzone.nordicsemi.com/thread/71940?ContentTypeID=1Wed, 28 Dec 2016 11:48:18 GMT137ad170-7792-4731-bb38-c0d22fbe4515:5ddbc406-c9ec-4faf-9a58-296b76853212james<p>Thank you！</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/71939?ContentTypeID=1Wed, 28 Dec 2016 11:44:55 GMT137ad170-7792-4731-bb38-c0d22fbe4515:8bdd47a9-309e-4efe-b4d5-eca42858e004Hung Bui<p>Everything is available <a href="http://infocenter.nordicsemi.com/topic/com.nordic.infocenter.sdk/dita/sdk/nrf5_sdk.html?cp=4_0">here</a>.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/71938?ContentTypeID=1Wed, 28 Dec 2016 11:16:25 GMT137ad170-7792-4731-bb38-c0d22fbe4515:c8d7bafb-f5f4-4b3d-8d27-16731ad3d30bjames<p>hi Hung, Thanks a lot. Where can I download sdk12? Did I have to ask the agency for the sdk12?</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/71937?ContentTypeID=1Wed, 28 Dec 2016 10:58:31 GMT137ad170-7792-4731-bb38-c0d22fbe4515:e886204d-e68e-4951-bda0-ad7db2809c9cHung Bui<p>Hi James,</p> <p>Yes, SDK v12 is stable and reliable. The Secure DFU provided in the SDK is production ready. Only the buttonless switching from application to bootloader is in experimental, but it&#39;s not the main thing.</p><div style="clear:both;"></div>