https://devzone.nordicsemi.com/f/nordic-q-a/37718/dev-kit-not-resetting-after-downloadI have recently downloaded nRF5_SDK_15.0.0_a53641a and tried to compile and run the ble_app_hrs on the nRF52 Dev Kit. I am using IAR-EWARM v8.30.1. The Soft Device is s132_nrf52_2.0.1_softdevice.hex. When I download to the dev kit, the code is copieden-USTelligent Community 13Wed, 22 Aug 2018 13:56:20 GMThttps://devzone.nordicsemi.com/thread/145337?ContentTypeID=1Wed, 22 Aug 2018 13:56:20 GMT137ad170-7792-4731-bb38-c0d22fbe4515:74a91f14-6b5c-4bf4-9077-ca46c9ef9f94AndyGlendinning<p>Perfect, many thanks!</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/145333?ContentTypeID=1Wed, 22 Aug 2018 13:33:38 GMT137ad170-7792-4731-bb38-c0d22fbe4515:12194e03-8157-4d6e-8f18-b53033909e32Sigurd<p>Hi,</p> <p>As shown in this <a href="https://infocenter.nordicsemi.com/topic/com.nordic.infocenter.nrf52/dita/nrf52/compatibility_matrix/ic_rev_sdk_sd_comp_matrix.html?cp=2_1_3_2">compatibility matrix here</a>, you will need to use S132 v.6.x for the nRF52832 when using SDK 15. S132 v2.0.1 is not&nbsp;compatible with SDK 15.</p> <p>You can find the s132_nrf52_6.0.0 SoftDevice in the folder: SDK15_folder\components\softdevice\s132\hex</p><div style="clear:both;"></div>