https://devzone.nordicsemi.com/f/nordic-q-a/16339/nrf52-pca10040-dk-with-s132v3-and-sdk12-and-uart-problem-iarHello all, I just bought the nRF52(PCA10040) DK and programmed the s132 version 3 soft device using nRFgo Studio. Using IAR, I compiled and downloaded the UART example BLE peripheral example and tried to make it work with my SAMSUNG galaxy S5 nRF Toolboxen-USTelligent Community 13Mon, 12 Sep 2016 07:57:41 GMThttps://devzone.nordicsemi.com/thread/62472?ContentTypeID=1Mon, 12 Sep 2016 07:57:41 GMT137ad170-7792-4731-bb38-c0d22fbe4515:87a474c0-178d-4430-a6c9-76dfd85806efStefan Birnir Sverrisson<p>Hi Orestis</p> <p>Are you using nRF5 SDK 12.0.0 example? nRF5 SDK 12.0.0 is compatible with S132 3.0.0. Also try to go into bluetooth settings on your phone and choose to forget all devices (in order to erase old bonding information) and/or disable bluetooth and enable it again.</p><div style="clear:both;"></div>