diff --git a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/SampleProvider.java b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/SampleProvider.java
index df91696e..54f809dd 100644
--- a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/SampleProvider.java
+++ b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/SampleProvider.java
@@ -22,6 +22,7 @@ public interface SampleProvider<T extends AbstractActivitySample> {
     int PROVIDER_PEBBLE_GADGETBRIDGE = 2; // removed
     int PROVIDER_PEBBLE_MISFIT = 3;
     int PROVIDER_PEBBLE_HEALTH = 4;
+    int PROVIDER_MIBAND2 = 5;
 
     int PROVIDER_UNKNOWN = 100;
     // TODO: can also be removed
diff --git a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/miband/AbstractMiBandSampleProvider.java b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/miband/AbstractMiBandSampleProvider.java
new file mode 100644
index 00000000..8bed5544
--- /dev/null
+++ b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/miband/AbstractMiBandSampleProvider.java
@@ -0,0 +1,59 @@
+package nodomain.freeyourgadget.gadgetbridge.devices.miband;
+
+import android.support.annotation.NonNull;
+
+import de.greenrobot.dao.AbstractDao;
+import de.greenrobot.dao.Property;
+import nodomain.freeyourgadget.gadgetbridge.devices.AbstractSampleProvider;
+import nodomain.freeyourgadget.gadgetbridge.devices.SampleProvider;
+import nodomain.freeyourgadget.gadgetbridge.entities.DaoSession;
+import nodomain.freeyourgadget.gadgetbridge.entities.MiBandActivitySample;
+import nodomain.freeyourgadget.gadgetbridge.entities.MiBandActivitySampleDao;
+import nodomain.freeyourgadget.gadgetbridge.impl.GBDevice;
+import nodomain.freeyourgadget.gadgetbridge.model.ActivityKind;
+
+/**
+ * Base class for Mi1 and Mi2 sample providers. At the moment they both share the
+ * same activity sample class.
+ */
+public abstract class AbstractMiBandSampleProvider extends AbstractSampleProvider<MiBandActivitySample> {
+
+    // maybe this should be configurable 256 seems way off, though.
+    private final float movementDivisor = 180.0f; //256.0f;
+
+    public AbstractMiBandSampleProvider(GBDevice device, DaoSession session) {
+        super(device, session);
+    }
+
+    @Override
+    public float normalizeIntensity(int rawIntensity) {
+        return rawIntensity / movementDivisor;
+    }
+
+    @Override
+    public AbstractDao<MiBandActivitySample, ?> getSampleDao() {
+        return getSession().getMiBandActivitySampleDao();
+    }
+
+    @NonNull
+    @Override
+    protected Property getTimestampSampleProperty() {
+        return MiBandActivitySampleDao.Properties.Timestamp;
+    }
+
+    @NonNull
+    @Override
+    protected Property getDeviceIdentifierSampleProperty() {
+        return MiBandActivitySampleDao.Properties.DeviceId;
+    }
+
+    @Override
+    protected Property getRawKindSampleProperty() {
+        return MiBandActivitySampleDao.Properties.RawKind;
+    }
+
+    @Override
+    public MiBandActivitySample createActivitySample() {
+        return new MiBandActivitySample();
+    }
+}
diff --git a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/miband/MiBand2SampleProvider.java b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/miband/MiBand2SampleProvider.java
new file mode 100644
index 00000000..9b7b2c66
--- /dev/null
+++ b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/miband/MiBand2SampleProvider.java
@@ -0,0 +1,64 @@
+package nodomain.freeyourgadget.gadgetbridge.devices.miband;
+
+import nodomain.freeyourgadget.gadgetbridge.devices.SampleProvider;
+import nodomain.freeyourgadget.gadgetbridge.entities.DaoSession;
+import nodomain.freeyourgadget.gadgetbridge.impl.GBDevice;
+import nodomain.freeyourgadget.gadgetbridge.model.ActivityKind;
+
+public class MiBand2SampleProvider extends AbstractMiBandSampleProvider {
+    // these are all bogus atm (come from Mi1)
+    public static final int TYPE_DEEP_SLEEP = 11;
+    public static final int TYPE_LIGHT_SLEEP = 5;
+    public static final int TYPE_ACTIVITY = -1;
+    public static final int TYPE_UNKNOWN = -1;
+    public static final int TYPE_NONWEAR = 3;
+    public static final int TYPE_CHARGING = 6;
+
+    // observed the following values so far:
+    // 00 01 02 09 0a 0b 0c 10 11
+
+    public MiBand2SampleProvider(GBDevice device, DaoSession session) {
+        super(device, session);
+    }
+
+    @Override
+    public int getID() {
+        return SampleProvider.PROVIDER_MIBAND2;
+    }
+
+    @Override
+    public int normalizeType(int rawType) {
+        switch (rawType) {
+            case TYPE_DEEP_SLEEP:
+                return ActivityKind.TYPE_DEEP_SLEEP;
+            case TYPE_LIGHT_SLEEP:
+                return ActivityKind.TYPE_LIGHT_SLEEP;
+            case TYPE_ACTIVITY:
+                return ActivityKind.TYPE_ACTIVITY;
+            case TYPE_NONWEAR:
+                return ActivityKind.TYPE_NOT_WORN;
+            case TYPE_CHARGING:
+                return ActivityKind.TYPE_NOT_WORN; //I believe it's a safe assumption
+            default:
+//            case TYPE_UNKNOWN: // fall through
+                return ActivityKind.TYPE_UNKNOWN;
+        }
+    }
+
+    @Override
+    public int toRawActivityKind(int activityKind) {
+        switch (activityKind) {
+            case ActivityKind.TYPE_ACTIVITY:
+                return TYPE_ACTIVITY;
+            case ActivityKind.TYPE_DEEP_SLEEP:
+                return TYPE_DEEP_SLEEP;
+            case ActivityKind.TYPE_LIGHT_SLEEP:
+                return TYPE_LIGHT_SLEEP;
+            case ActivityKind.TYPE_NOT_WORN:
+                return TYPE_NONWEAR;
+            case ActivityKind.TYPE_UNKNOWN: // fall through
+            default:
+                return TYPE_UNKNOWN;
+        }
+    }
+}
diff --git a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/miband/MiBandCoordinator.java b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/miband/MiBandCoordinator.java
index 069c9ba1..eee28a3e 100644
--- a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/miband/MiBandCoordinator.java
+++ b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/miband/MiBandCoordinator.java
@@ -80,7 +80,7 @@ public class MiBandCoordinator extends AbstractDeviceCoordinator {
 
     @Override
     public SampleProvider<? extends AbstractActivitySample> getSampleProvider(GBDevice device, DaoSession session) {
-        return new MiBandSampleProvider(device, session);
+        return new MiBand2SampleProvider(device, session);
     }
 
     @Override
diff --git a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/miband/MiBandSampleProvider.java b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/miband/MiBandSampleProvider.java
index 13f77224..8f2a95c7 100644
--- a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/miband/MiBandSampleProvider.java
+++ b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/miband/MiBandSampleProvider.java
@@ -1,16 +1,11 @@
 package nodomain.freeyourgadget.gadgetbridge.devices.miband;
 
-import de.greenrobot.dao.AbstractDao;
-import de.greenrobot.dao.Property;
-import nodomain.freeyourgadget.gadgetbridge.devices.AbstractSampleProvider;
 import nodomain.freeyourgadget.gadgetbridge.devices.SampleProvider;
 import nodomain.freeyourgadget.gadgetbridge.entities.DaoSession;
-import nodomain.freeyourgadget.gadgetbridge.entities.MiBandActivitySample;
-import nodomain.freeyourgadget.gadgetbridge.entities.MiBandActivitySampleDao;
 import nodomain.freeyourgadget.gadgetbridge.impl.GBDevice;
 import nodomain.freeyourgadget.gadgetbridge.model.ActivityKind;
 
-public class MiBandSampleProvider extends AbstractSampleProvider<MiBandActivitySample> {
+public class MiBandSampleProvider extends AbstractMiBandSampleProvider {
     public static final int TYPE_DEEP_SLEEP = 4;
     public static final int TYPE_LIGHT_SLEEP = 5;
     public static final int TYPE_ACTIVITY = -1;
@@ -26,13 +21,15 @@ public class MiBandSampleProvider extends AbstractSampleProvider<MiBandActivityS
 //    public static final byte TYPE_USER = 100;
 //    public static final byte TYPE_WALKING = 1;
 
-    // maybe this should be configurable 256 seems way off, though.
-    private final float movementDivisor = 180.0f; //256.0f;
-
     public MiBandSampleProvider(GBDevice device, DaoSession session) {
         super(device, session);
     }
 
+    @Override
+    public int getID() {
+        return SampleProvider.PROVIDER_MIBAND;
+    }
+
     @Override
     public int normalizeType(int rawType) {
         switch (rawType) {
@@ -68,39 +65,4 @@ public class MiBandSampleProvider extends AbstractSampleProvider<MiBandActivityS
                 return TYPE_UNKNOWN;
         }
     }
-
-    @Override
-    public float normalizeIntensity(int rawIntensity) {
-        return rawIntensity / movementDivisor;
-    }
-
-    @Override
-    public int getID() {
-        return SampleProvider.PROVIDER_MIBAND;
-    }
-
-    @Override
-    public AbstractDao<MiBandActivitySample, ?> getSampleDao() {
-        return getSession().getMiBandActivitySampleDao();
-    }
-
-    @Override
-    protected Property getTimestampSampleProperty() {
-        return MiBandActivitySampleDao.Properties.Timestamp;
-    }
-
-    @Override
-    protected Property getDeviceIdentifierSampleProperty() {
-        return MiBandActivitySampleDao.Properties.DeviceId;
-    }
-
-    @Override
-    protected Property getRawKindSampleProperty() {
-        return MiBandActivitySampleDao.Properties.RawKind;
-    }
-
-    @Override
-    public MiBandActivitySample createActivitySample() {
-        return new MiBandActivitySample();
-    }
 }
diff --git a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/miband2/operations/FetchActivityOperation.java b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/miband2/operations/FetchActivityOperation.java
index bb4b87bc..fa5facb7 100644
--- a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/miband2/operations/FetchActivityOperation.java
+++ b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/miband2/operations/FetchActivityOperation.java
@@ -35,6 +35,7 @@ import nodomain.freeyourgadget.gadgetbridge.service.btle.actions.WaitAction;
 import nodomain.freeyourgadget.gadgetbridge.service.devices.miband.MiBand2Support;
 import nodomain.freeyourgadget.gadgetbridge.service.devices.miband2.AbstractMiBand2Operation;
 import nodomain.freeyourgadget.gadgetbridge.util.ArrayUtils;
+import nodomain.freeyourgadget.gadgetbridge.util.DateTimeUtils;
 import nodomain.freeyourgadget.gadgetbridge.util.GB;
 
 /**
@@ -133,6 +134,8 @@ public class FetchActivityOperation extends AbstractMiBand2Operation {
                 }
                 sampleProvider.addGBActivitySamples(samples.toArray(new MiBandActivitySample[0]));
 
+                LOG.info("Mi2 activity data: last sample timestamp: " + DateTimeUtils.formatDateTime(timestamp.getTime()));
+
             } catch (Exception ex) {
                 GB.toast(getContext(), "Error saving activity samples", Toast.LENGTH_LONG, GB.ERROR);
             } finally {