https://devzone.nordicsemi.com/f/nordic-q-a/19913/buttonless-dfu-how-do-i-enter-dfu-via-iosHi I&#39;m testing Buttonless DFU. I use SDK 12.2.0 , NRF52 and S132. I succeeded in entering DFU in Master Control Panel (PC application). I want to do it even on iOS. I tried the following three, but I can not write it. Of course I execut setNottifyValueen-USTelligent Community 13Thu, 23 Feb 2017 00:57:51 GMThttps://devzone.nordicsemi.com/thread/77478?ContentTypeID=1Thu, 23 Feb 2017 00:57:51 GMT137ad170-7792-4731-bb38-c0d22fbe4515:9daa8c0c-baff-4952-8e4d-20ca12ef1413talby<p>Thank you very much. I solved it with your comment.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/77477?ContentTypeID=1Wed, 22 Feb 2017 10:28:35 GMT137ad170-7792-4731-bb38-c0d22fbe4515:503dca50-f47b-4129-bfd3-06d14b7ae592bjorn-spockeli<p>Have you added the missing write property as explained in <a href="https://devzone.nordicsemi.com/question/93414/sdk12-ble_app_buttonless_dfu/">this</a> answer?</p><div style="clear:both;"></div>