https://devzone.nordicsemi.com/f/nordic-q-a/25243/how-to-read-more-than-1-byte-using-sd_ble_gattc_readHi I use 4 characteristics in peripheral and central. When I write to one of the characteristics in the peripheral, I read it using sd_ble_gattc_read in the central. But, when BLE_GATTC_EVT_READ_RSP is got, only p_ble_evt-&gt;evt.gattc_evt.params.read_rspen-USTelligent Community 13Sun, 17 Sep 2017 05:21:50 GMThttps://devzone.nordicsemi.com/thread/99450?ContentTypeID=1Sun, 17 Sep 2017 05:21:50 GMT137ad170-7792-4731-bb38-c0d22fbe4515:0a0938a3-3700-409c-b1f7-16b39d52a2c3nordicdev<p>Sorry, I was fooled by IDE. The IDE showed only 1 byte but when I read all the 19 bytes, they are correct in the code. Thanks for the reply, RK!</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/99449?ContentTypeID=1Sun, 17 Sep 2017 01:41:02 GMT137ad170-7792-4731-bb38-c0d22fbe4515:ec55abcb-1e6f-4476-8141-8632ef8a1470RK<p>what do you mean &quot;only p_ble_evt-&gt;evt.gattc_evt.params.read_rsp.data[0] is present.&quot;? What are the following 19 bytes. if the length is 20, there are 20 bytes there.</p><div style="clear:both;"></div>