https://devzone.nordicsemi.com/f/nordic-q-a/9647/generic-attribute-service-s110-is-missing-read-on-service-changedHi I&#39;ve noticed that the Generic Attribute Service in profile code developed with S110 is missing the READ property on the Service Changed characteristic. It has INDICATE. The spec seems to say both READ and INDICATE are mandatory: developer.bluetoothen-USTelligent Community 13Mon, 12 Oct 2015 09:10:35 GMThttps://devzone.nordicsemi.com/thread/35653?ContentTypeID=1Mon, 12 Oct 2015 09:10:35 GMT137ad170-7792-4731-bb38-c0d22fbe4515:63be9bfa-d9bf-4328-9b0b-16ebdd31998dbluetooth_mdw<p>Interesting, thanks!</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/35652?ContentTypeID=1Mon, 12 Oct 2015 09:03:21 GMT137ad170-7792-4731-bb38-c0d22fbe4515:1b90634b-85d7-4a8d-a9cb-ab1cdfbc7ff8Petter Myhre<p>This is how it looks in the Bluetooth Core 4.2 specification:</p> <p><img src="https://devzone.nordicsemi.com/cfs-file/__key/communityserver-discussions-components-files/4/service_5F00_changed.JPG" alt="image description" /></p> <p>As you can see it says not readable, see Vol. 3, Part G, Section 7.1 for more information.</p> <p>It seems to be a bug on the Bluetooth Developer Portal.</p><div style="clear:both;"></div>