https://devzone.nordicsemi.com/f/nordic-q-a/4257/nrf-beacon-android-i-can-t-get-the-value-of-characteristicI&#39;m sure that I&#39;ve got the instance of a characteristic, but when I use the method getValue(),it return NULL.en-USTelligent Community 13Wed, 19 Nov 2014 16:02:37 GMThttps://devzone.nordicsemi.com/thread/15204?ContentTypeID=1Wed, 19 Nov 2014 16:02:37 GMT137ad170-7792-4731-bb38-c0d22fbe4515:9a389453-1c3b-40f9-9581-33e11a062a07Hung Bui<p>Hi John, Please have a look at the description of <a href="https://developer.android.com/reference/android/bluetooth/BluetoothGatt.html#readCharacteristic(android.bluetooth.BluetoothGattCharacteristic)">readChactersitics()</a></p> <p>You should wait for the onCharacteristicRead() and it&#39;s where you read the value out using getValue().</p> <p>You can have a look at our example apps source code, to know how it work, for example the nRFUART app.</p><div style="clear:both;"></div>