diff --git a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/miband/MiBand2Service.java b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/miband/MiBand2Service.java
index a0b04af1..703fc6da 100644
--- a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/miband/MiBand2Service.java
+++ b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/miband/MiBand2Service.java
@@ -16,7 +16,10 @@ public class MiBand2Service {
     public static final UUID UUID_UNKNOWN_CHARACTERISTIC0 = UUID.fromString("00000000-0000-3512-2118-0009af100700");
     public static final UUID UUID_UNKNOWN_CHARACTERISTIC1 = UUID.fromString("00000001-0000-3512-2118-0009af100700");
     public static final UUID UUID_UNKNOWN_CHARACTERISTIC2 = UUID.fromString("00000002-0000-3512-2118-0009af100700");
-    public static final UUID UUID_UNKNOWN_CHARACTERISTIC3 = UUID.fromString("00000003-0000-3512-2118-0009af100700"); // Alarm related
+    /**
+     * Alarms, Display and other configuration.
+     */
+    public static final UUID UUID_CHARACTERISTIC_3_CONFIGURATION = UUID.fromString("00000003-0000-3512-2118-0009af100700");
     public static final UUID UUID_UNKNOWN_CHARACTERISTIC4 = UUID.fromString("00000004-0000-3512-2118-0009af100700");
     public static final UUID UUID_CHARACTERISTIC_ACTIVITY_DATA = UUID.fromString("00000005-0000-3512-2118-0009af100700");
     public static final UUID UUID_UNKNOWN_CHARACTERISTIC6 = UUID.fromString("00000006-0000-3512-2118-0009af100700");
diff --git a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/miband/MiBand2Support.java b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/miband/MiBand2Support.java
index e6466471..84bf4c6b 100644
--- a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/miband/MiBand2Support.java
+++ b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/miband/MiBand2Support.java
@@ -264,7 +264,7 @@ public class MiBand2Support extends AbstractBTLEDeviceSupport {
 //                .notify(getCharacteristic(MiBandService.UUID_CHARACTERISTIC_ACTIVITY_DATA), enable)
 //                .notify(getCharacteristic(MiBandService.UUID_CHARACTERISTIC_BATTERY), enable)
 //                .notify(getCharacteristic(MiBandService.UUID_CHARACTERISTIC_SENSOR_DATA), enable);
-        builder.notify(getCharacteristic(MiBand2Service.UUID_UNKNOWN_CHARACTERISTIC3), enable);
+        builder.notify(getCharacteristic(MiBand2Service.UUID_CHARACTERISTIC_3_CONFIGURATION), enable);
         BluetoothGattCharacteristic heartrateCharacteristic = getCharacteristic(MiBandService.UUID_CHARACTERISTIC_HEART_RATE_MEASUREMENT);
         if (heartrateCharacteristic != null) {
             builder.notify(heartrateCharacteristic, enable);
@@ -553,7 +553,7 @@ public class MiBand2Support extends AbstractBTLEDeviceSupport {
     @Override
     public void onSetAlarms(ArrayList<? extends Alarm> alarms) {
         try {
-            BluetoothGattCharacteristic characteristic = getCharacteristic(MiBand2Service.UUID_UNKNOWN_CHARACTERISTIC3);
+            BluetoothGattCharacteristic characteristic = getCharacteristic(MiBand2Service.UUID_CHARACTERISTIC_3_CONFIGURATION);
             TransactionBuilder builder = performInitialized("Set alarm");
             boolean anyAlarmEnabled = false;
             for (Alarm alarm : alarms) {
@@ -1187,7 +1187,7 @@ public class MiBand2Support extends AbstractBTLEDeviceSupport {
      * @param builder
      */
     private MiBand2Support sendCalendarEvents(TransactionBuilder builder) {
-        BluetoothGattCharacteristic characteristic = getCharacteristic(MiBand2Service.UUID_UNKNOWN_CHARACTERISTIC3);
+        BluetoothGattCharacteristic characteristic = getCharacteristic(MiBand2Service.UUID_CHARACTERISTIC_3_CONFIGURATION);
 
         Prefs prefs = GBApplication.getPrefs();
         int availableSlots = prefs.getInt(MiBandConst.PREF_MIBAND_RESERVE_ALARM_FOR_CALENDAR, 0);
@@ -1244,10 +1244,10 @@ public class MiBand2Support extends AbstractBTLEDeviceSupport {
         LOG.info("Setting date display to " + dateTimeDisplay);
         switch (dateTimeDisplay) {
             case TIME:
-                builder.write(getCharacteristic(MiBand2Service.UUID_UNKNOWN_CHARACTERISTIC3), MiBand2Service.DATEFORMAT_TIME);
+                builder.write(getCharacteristic(MiBand2Service.UUID_CHARACTERISTIC_3_CONFIGURATION), MiBand2Service.DATEFORMAT_TIME);
                 break;
             case DATE_TIME:
-                builder.write(getCharacteristic(MiBand2Service.UUID_UNKNOWN_CHARACTERISTIC3), MiBand2Service.DATEFORMAT_DATE_TIME);
+                builder.write(getCharacteristic(MiBand2Service.UUID_CHARACTERISTIC_3_CONFIGURATION), MiBand2Service.DATEFORMAT_DATE_TIME);
                 break;
         }
         return this;
@@ -1257,9 +1257,9 @@ public class MiBand2Support extends AbstractBTLEDeviceSupport {
         boolean enable = MiBand2Coordinator.getActivateDisplayOnLiftWrist();
         LOG.info("Setting activate display on lift wrist to " + enable);
         if (enable) {
-            builder.write(getCharacteristic(MiBand2Service.UUID_UNKNOWN_CHARACTERISTIC3), MiBand2Service.COMMAND_ENABLE_DISPLAY_ON_LIFT_WRIST);
+            builder.write(getCharacteristic(MiBand2Service.UUID_CHARACTERISTIC_3_CONFIGURATION), MiBand2Service.COMMAND_ENABLE_DISPLAY_ON_LIFT_WRIST);
         } else {
-            builder.write(getCharacteristic(MiBand2Service.UUID_UNKNOWN_CHARACTERISTIC3), MiBand2Service.COMMAND_DISABLE_DISPLAY_ON_LIFT_WRIST);
+            builder.write(getCharacteristic(MiBand2Service.UUID_CHARACTERISTIC_3_CONFIGURATION), MiBand2Service.COMMAND_DISABLE_DISPLAY_ON_LIFT_WRIST);
         }
         return this;
     }