https://devzone.nordicsemi.com/f/nordic-q-a/26583/how-to-do-a-gattc-characteristic-value-write-with-responseHi Nordic Do you have a message sequence chart for how to do a Gatt Client Write with response? I can only find a GATTC Characteristic Value Write Without Response in the API docs. The options BLE_GATT_OP_WRITE_REQ , BLE_GATT_OP_PREP_WRITE_REQ anden-USTelligent Community 13Wed, 08 Nov 2017 12:15:49 GMThttps://devzone.nordicsemi.com/thread/104563?ContentTypeID=1Wed, 08 Nov 2017 12:15:49 GMT137ad170-7792-4731-bb38-c0d22fbe4515:1fe45618-81e8-4a91-af1a-51fb28a3a0f6Petter Myhre<p>Do you mean <a href="http://infocenter.nordicsemi.com/topic/com.nordic.infocenter.s140.api.v5.0.0/group___b_l_e___g_a_t_t_c___v_a_l_u_e___w_r_i_t_e___m_s_c.html?cp=2_3_2_0_0_2_2_3_6">this</a>?</p><div style="clear:both;"></div>