https://devzone.nordicsemi.com/f/nordic-q-a/61466/softdevice-naming-rulesI am newbie here. I was reading ‘Introduction to Nordic nRF5 SDK and Softdevice&#39; dated 15 Jan 20. The softdevice naming rule establishes Sxyz wherein z – denotes the SoC family; 0 indicates nRF51 series. 2 or 3 indicated nRF52 Series. One of the examplesen-USTelligent Community 13Mon, 18 May 2020 12:09:22 GMThttps://devzone.nordicsemi.com/thread/250431?ContentTypeID=1Mon, 18 May 2020 12:09:22 GMT137ad170-7792-4731-bb38-c0d22fbe4515:2abddea0-bd48-4d7c-bdf4-42663c5afb0frun_ar<p>Hi,</p> <p>There is not a strict naming rule. We have several SD versions that supports different chips. Please look at the compatibility matrix to see what softdevice&#39;s are supported on the chip you are using. i.e. <span><a title="SDKs and SoftDevices " href="https://infocenter.nordicsemi.com/topic/comp_matrix_nrf52840/COMP/nrf52840/nRF52840_ic_rev_sdk_sd_comp_matrix.html?cp=4_0_3_2">SDKs and SoftDevices </a></span></p><div style="clear:both;"></div>