diff --git a/app/app.iml b/app/app.iml
index a4d4a813..8b30910a 100644
--- a/app/app.iml
+++ b/app/app.iml
@@ -69,6 +69,8 @@
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/dependency-cache" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/dex" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/dex-cache" />
+      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/exploded-aar/com.android.support/appcompat-v7/22.2.1/jars" />
+      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/exploded-aar/com.android.support/design/22.2.0/jars" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/incremental" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/jacoco" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/javaResources" />
@@ -89,10 +91,10 @@
     <orderEntry type="library" exported="" name="gson-2.3.1" level="project" />
     <orderEntry type="library" exported="" name="design-22.2.0" level="project" />
     <orderEntry type="library" exported="" name="nrf-logger-v2.0" level="project" />
-    <orderEntry type="library" exported="" name="support-v4-22.2.0" level="project" />
-    <orderEntry type="library" exported="" name="support-annotations-22.2.0" level="project" />
+    <orderEntry type="library" exported="" name="support-v4-22.2.1" level="project" />
     <orderEntry type="library" exported="" name="achartengine-1.1.0" level="project" />
-    <orderEntry type="library" exported="" name="appcompat-v7-22.2.0" level="project" />
+    <orderEntry type="library" exported="" name="support-annotations-22.2.1" level="project" />
+    <orderEntry type="library" exported="" name="appcompat-v7-22.2.1" level="project" />
     <orderEntry type="module" module-name="dfu" exported="" />
   </component>
 </module>
\ No newline at end of file
diff --git a/app/build.gradle b/app/build.gradle
index 50805557..3abb9f5f 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -7,8 +7,8 @@ android {
         applicationId "no.nordicsemi.android.nrftoolbox"
         minSdkVersion 18
         targetSdkVersion 22
-        versionCode 34
-        versionName "1.14.1"
+        versionCode 35
+        versionName "1.14.2"
     }
     buildTypes {
         release {
@@ -20,7 +20,7 @@ android {
 
 dependencies {
     compile fileTree(dir: 'libs', include: ['*.jar'])
-    compile 'com.android.support:appcompat-v7:22.2.0'
+    compile 'com.android.support:appcompat-v7:22.2.1'
     compile 'com.android.support:design:22.2.0'
     compile project(':dfu')
     compile files('libs/achartengine-1.1.0.jar')
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index b2f600e7..5805dcfb 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -23,8 +23,8 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
 	package="no.nordicsemi.android.nrftoolbox"
 	android:installLocation="auto"
-	android:versionCode="34"
-	android:versionName="1.14.1" >
+	android:versionCode="35"
+	android:versionName="1.14.2" >
 
 	<uses-sdk
 		android:minSdkVersion="18"
diff --git a/app/src/main/java/no/nordicsemi/android/nrftoolbox/dfu/DfuActivity.java b/app/src/main/java/no/nordicsemi/android/nrftoolbox/dfu/DfuActivity.java
index d1df0a3f..15757e32 100644
--- a/app/src/main/java/no/nordicsemi/android/nrftoolbox/dfu/DfuActivity.java
+++ b/app/src/main/java/no/nordicsemi/android/nrftoolbox/dfu/DfuActivity.java
@@ -28,12 +28,10 @@ import android.app.NotificationManager;
 import android.bluetooth.BluetoothAdapter;
 import android.bluetooth.BluetoothDevice;
 import android.bluetooth.BluetoothManager;
-import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.CursorLoader;
 import android.content.DialogInterface;
 import android.content.Intent;
-import android.content.IntentFilter;
 import android.content.Loader;
 import android.content.SharedPreferences;
 import android.content.pm.PackageManager;
@@ -64,7 +62,10 @@ import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
 
-import no.nordicsemi.android.error.GattError;
+import no.nordicsemi.android.dfu.DfuProgressListener;
+import no.nordicsemi.android.dfu.DfuProgressListenerAdapter;
+import no.nordicsemi.android.dfu.DfuServiceListenerHelper;
+import no.nordicsemi.android.dfu.DfuServiceInitiator;
 import no.nordicsemi.android.nrftoolbox.AppHelpFragment;
 import no.nordicsemi.android.nrftoolbox.R;
 import no.nordicsemi.android.nrftoolbox.dfu.adapter.FileBrowserAppsAdapter;
@@ -127,32 +128,93 @@ public class DfuActivity extends AppCompatActivity implements LoaderCallbacks<Cu
 	private int mFileTypeTmp; // This value is being used when user is selecting a file not to overwrite the old value (in case he/she will cancel selecting file)
 	private boolean mStatusOk;
 
-	private final BroadcastReceiver mDfuUpdateReceiver = new BroadcastReceiver() {
+	private final DfuProgressListener mDfuProgressListener = new DfuProgressListenerAdapter() {
 		@Override
-		public void onReceive(final Context context, final Intent intent) {
-			// DFU is in progress or an error occurred
-			final String action = intent.getAction();
+		public void onDeviceConnecting(final String deviceAddress) {
+			mProgressBar.setIndeterminate(true);
+			mTextPercentage.setText(R.string.dfu_status_connecting);
+		}
 
-			if (DfuService.BROADCAST_PROGRESS.equals(action)) {
-				final int progress = intent.getIntExtra(DfuService.EXTRA_DATA, 0);
-				final int currentPart = intent.getIntExtra(DfuService.EXTRA_PART_CURRENT, 1);
-				final int totalParts = intent.getIntExtra(DfuService.EXTRA_PARTS_TOTAL, 1);
-				updateProgressBar(progress, currentPart, totalParts, false, false);
-			} else if (DfuService.BROADCAST_ERROR.equals(action)) {
-				final int error = intent.getIntExtra(DfuService.EXTRA_DATA, 0);
-				final boolean connectionStateError = intent.getIntExtra(DfuService.EXTRA_ERROR_TYPE, DfuService.ERROR_TYPE_OTHER) == DfuService.ERROR_TYPE_COMMUNICATION_STATE;
-				updateProgressBar(error, 0, 0, true, connectionStateError);
+		@Override
+		public void onDfuProcessStarting(final String deviceAddress) {
+			mProgressBar.setIndeterminate(true);
+			mTextPercentage.setText(R.string.dfu_status_starting);
+		}
 
-				// We have to wait a bit before canceling notification. This is called before DfuService creates the last notification.
-				new Handler().postDelayed(new Runnable() {
-					@Override
-					public void run() {
-						// if this activity is still open and upload process was completed, cancel the notification
-						final NotificationManager manager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
-						manager.cancel(DfuService.NOTIFICATION_ID);
-					}
-				}, 200);
-			}
+		@Override
+		public void onEnablingDfuMode(final String deviceAddress) {
+			mProgressBar.setIndeterminate(true);
+			mTextPercentage.setText(R.string.dfu_status_switching_to_dfu);
+		}
+
+		@Override
+		public void onFirmwareValidating(final String deviceAddress) {
+			mProgressBar.setIndeterminate(true);
+			mTextPercentage.setText(R.string.dfu_status_validating);
+		}
+
+		@Override
+		public void onDeviceDisconnecting(final String deviceAddress) {
+			mProgressBar.setIndeterminate(true);
+			mTextPercentage.setText(R.string.dfu_status_disconnecting);
+		}
+
+		@Override
+		public void onDfuCompleted(final String deviceAddress) {
+			mTextPercentage.setText(R.string.dfu_status_completed);
+			// let's wait a bit until we cancel the notification. When canceled immediately it will be recreated by service again.
+			new Handler().postDelayed(new Runnable() {
+				@Override
+				public void run() {
+					onTransferCompleted();
+
+					// if this activity is still open and upload process was completed, cancel the notification
+					final NotificationManager manager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
+					manager.cancel(DfuService.NOTIFICATION_ID);
+				}
+			}, 200);
+		}
+
+		@Override
+		public void onDfuAborted(final String deviceAddress) {
+			mTextPercentage.setText(R.string.dfu_status_aborted);
+			// let's wait a bit until we cancel the notification. When canceled immediately it will be recreated by service again.
+			new Handler().postDelayed(new Runnable() {
+				@Override
+				public void run() {
+					onUploadCanceled();
+
+					// if this activity is still open and upload process was completed, cancel the notification
+					final NotificationManager manager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
+					manager.cancel(DfuService.NOTIFICATION_ID);
+				}
+			}, 200);
+		}
+
+		@Override
+		public void onProgressChanged(final String deviceAddress, final int percent, final float speed, final float avgSpeed, final int currentPart, final int partsTotal) {
+			mProgressBar.setIndeterminate(false);
+			mProgressBar.setProgress(percent);
+			mTextPercentage.setText(getString(R.string.progress, percent));
+			if (partsTotal > 1)
+				mTextUploading.setText(getString(R.string.dfu_status_uploading_part, currentPart, partsTotal));
+			else
+				mTextUploading.setText(R.string.dfu_status_uploading);
+		}
+
+		@Override
+		public void onError(final String deviceAddress, final int error, final int errorType, final String message) {
+			showErrorMessage(message);
+
+			// We have to wait a bit before canceling notification. This is called before DfuService creates the last notification.
+			new Handler().postDelayed(new Runnable() {
+				@Override
+				public void run() {
+					// if this activity is still open and upload process was completed, cancel the notification
+					final NotificationManager manager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
+					manager.cancel(DfuService.NOTIFICATION_ID);
+				}
+			}, 200);
 		}
 	};
 
@@ -231,25 +293,14 @@ public class DfuActivity extends AppCompatActivity implements LoaderCallbacks<Cu
 	protected void onResume() {
 		super.onResume();
 
-		// We are using LocalBroadcastReceiver instead of normal BroadcastReceiver for optimization purposes
-		final LocalBroadcastManager broadcastManager = LocalBroadcastManager.getInstance(this);
-		broadcastManager.registerReceiver(mDfuUpdateReceiver, makeDfuUpdateIntentFilter());
+		DfuServiceListenerHelper.registerProgressListener(this, mDfuProgressListener);
 	}
 
 	@Override
 	protected void onPause() {
 		super.onPause();
 
-		final LocalBroadcastManager broadcastManager = LocalBroadcastManager.getInstance(this);
-		broadcastManager.unregisterReceiver(mDfuUpdateReceiver);
-	}
-
-	private static IntentFilter makeDfuUpdateIntentFilter() {
-		final IntentFilter intentFilter = new IntentFilter();
-		intentFilter.addAction(DfuService.BROADCAST_PROGRESS);
-		intentFilter.addAction(DfuService.BROADCAST_ERROR);
-		intentFilter.addAction(DfuService.BROADCAST_LOG);
-		return intentFilter;
+		DfuServiceListenerHelper.unregisterProgressListener(this, mDfuProgressListener);
 	}
 
 	private void isBLESupported() {
@@ -743,17 +794,15 @@ public class DfuActivity extends AppCompatActivity implements LoaderCallbacks<Cu
 
 		final boolean keepBond = preferences.getBoolean(SettingsFragment.SETTINGS_KEEP_BOND, false);
 
-		final Intent service = new Intent(this, DfuService.class);
-		service.putExtra(DfuService.EXTRA_DEVICE_ADDRESS, mSelectedDevice.getAddress());
-		service.putExtra(DfuService.EXTRA_DEVICE_NAME, mSelectedDevice.getName());
-		service.putExtra(DfuService.EXTRA_FILE_MIME_TYPE, mFileType == DfuService.TYPE_AUTO ? DfuService.MIME_TYPE_ZIP : DfuService.MIME_TYPE_OCTET_STREAM);
-		service.putExtra(DfuService.EXTRA_FILE_TYPE, mFileType);
-		service.putExtra(DfuService.EXTRA_FILE_PATH, mFilePath);
-		service.putExtra(DfuService.EXTRA_FILE_URI, mFileStreamUri);
-		service.putExtra(DfuService.EXTRA_INIT_FILE_PATH, mInitFilePath);
-		service.putExtra(DfuService.EXTRA_INIT_FILE_URI, mInitFileStreamUri);
-		service.putExtra(DfuService.EXTRA_KEEP_BOND, keepBond);
-		startService(service);
+		final DfuServiceInitiator starter = new DfuServiceInitiator(mSelectedDevice.getAddress())
+				.setDeviceName(mSelectedDevice.getName())
+				.setKeepBond(keepBond);
+		if (mFileType == DfuService.TYPE_AUTO)
+			starter.setZip(mFileStreamUri, mFilePath);
+		else {
+			starter.setBinOrHex(mFileType, mFileStreamUri, mFilePath).setInitFile(mInitFileStreamUri, mInitFilePath);
+		}
+		starter.start(this, DfuService.class);
 	}
 
 	private void showUploadCancelDialog() {
@@ -789,72 +838,6 @@ public class DfuActivity extends AppCompatActivity implements LoaderCallbacks<Cu
 		// do nothing
 	}
 
-	private void updateProgressBar(final int progress, final int part, final int total, final boolean error, final boolean connectionError) {
-		switch (progress) {
-			case DfuService.PROGRESS_CONNECTING:
-				mProgressBar.setIndeterminate(true);
-				mTextPercentage.setText(R.string.dfu_status_connecting);
-				break;
-			case DfuService.PROGRESS_STARTING:
-				mProgressBar.setIndeterminate(true);
-				mTextPercentage.setText(R.string.dfu_status_starting);
-				break;
-			case DfuService.PROGRESS_ENABLING_DFU_MODE:
-				mProgressBar.setIndeterminate(true);
-				mTextPercentage.setText(R.string.dfu_status_switching_to_dfu);
-				break;
-			case DfuService.PROGRESS_VALIDATING:
-				mProgressBar.setIndeterminate(true);
-				mTextPercentage.setText(R.string.dfu_status_validating);
-				break;
-			case DfuService.PROGRESS_DISCONNECTING:
-				mProgressBar.setIndeterminate(true);
-				mTextPercentage.setText(R.string.dfu_status_disconnecting);
-				break;
-			case DfuService.PROGRESS_COMPLETED:
-				mTextPercentage.setText(R.string.dfu_status_completed);
-				// let's wait a bit until we cancel the notification. When canceled immediately it will be recreated by service again.
-				new Handler().postDelayed(new Runnable() {
-					@Override
-					public void run() {
-						onTransferCompleted();
-
-						// if this activity is still open and upload process was completed, cancel the notification
-						final NotificationManager manager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
-						manager.cancel(DfuService.NOTIFICATION_ID);
-					}
-				}, 200);
-				break;
-			case DfuService.PROGRESS_ABORTED:
-				mTextPercentage.setText(R.string.dfu_status_aborted);
-				// let's wait a bit until we cancel the notification. When canceled immediately it will be recreated by service again.
-				new Handler().postDelayed(new Runnable() {
-					@Override
-					public void run() {
-						onUploadCanceled();
-
-						// if this activity is still open and upload process was completed, cancel the notification
-						final NotificationManager manager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
-						manager.cancel(DfuService.NOTIFICATION_ID);
-					}
-				}, 200);
-				break;
-			default:
-				mProgressBar.setIndeterminate(false);
-				if (error) {
-					showErrorMessage(progress, connectionError);
-				} else {
-					mProgressBar.setProgress(progress);
-					mTextPercentage.setText(getString(R.string.progress, progress));
-					if (total > 1)
-						mTextUploading.setText(getString(R.string.dfu_status_uploading_part, part, total));
-					else
-						mTextUploading.setText(R.string.dfu_status_uploading);
-				}
-				break;
-		}
-	}
-
 	private void showProgressBar() {
 		mProgressBar.setVisibility(View.VISIBLE);
 		mTextPercentage.setVisibility(View.VISIBLE);
@@ -884,12 +867,9 @@ public class DfuActivity extends AppCompatActivity implements LoaderCallbacks<Cu
 		mTextPercentage.setText(null);
 	}
 
-	private void showErrorMessage(final int code, final boolean connectionError) {
+	private void showErrorMessage(final String message) {
 		clearUI(false);
-		if (connectionError)
-			showToast("Upload failed: " + GattError.parseConnectionError(code));
-		else
-			showToast("Upload failed: " + GattError.parse(code));
+		showToast("Upload failed: " + message);
 	}
 
 	private void clearUI(final boolean clearDevice) {
diff --git a/app/src/main/java/no/nordicsemi/android/nrftoolbox/profile/BleManager.java b/app/src/main/java/no/nordicsemi/android/nrftoolbox/profile/BleManager.java
index 11c11cfa..566a0deb 100644
--- a/app/src/main/java/no/nordicsemi/android/nrftoolbox/profile/BleManager.java
+++ b/app/src/main/java/no/nordicsemi/android/nrftoolbox/profile/BleManager.java
@@ -204,15 +204,19 @@ public abstract class BleManager<E extends BleManagerCallbacks> {
 
 	/**
 	 * Disconnects from the device. Does nothing if not connected.
+	 * @return true if device is to be disconnected. False if it was already disconnected.
 	 */
-	public void disconnect() {
+	public boolean disconnect() {
 		mUserDisconnected = true;
 
 		if (mConnected && mBluetoothGatt != null) {
 			Logger.v(mLogSession, "Disconnecting...");
+			mCallbacks.onDeviceDisconnecting();
 			Logger.d(mLogSession, "gatt.disconnect()");
 			mBluetoothGatt.disconnect();
+			return true;
 		}
+		return false;
 	}
 
 	/**
@@ -618,7 +622,7 @@ public abstract class BleManager<E extends BleManagerCallbacks> {
 
 		@Override
 		public final void onConnectionStateChange(final BluetoothGatt gatt, final int status, final int newState) {
-			Logger.v(mLogSession, "[Callback] Connection state changed with status: " + status + " and new state: " + newState + " (" + stateToString(newState) + ")");
+			Logger.d(mLogSession, "[Callback] Connection state changed with status: " + status + " and new state: " + newState + " (" + stateToString(newState) + ")");
 
 			if (status == BluetoothGatt.GATT_SUCCESS && newState == BluetoothProfile.STATE_CONNECTED) {
 				// Notify the parent activity/service
diff --git a/app/src/main/java/no/nordicsemi/android/nrftoolbox/profile/BleManagerCallbacks.java b/app/src/main/java/no/nordicsemi/android/nrftoolbox/profile/BleManagerCallbacks.java
index e2400ef5..c7c4b65e 100644
--- a/app/src/main/java/no/nordicsemi/android/nrftoolbox/profile/BleManagerCallbacks.java
+++ b/app/src/main/java/no/nordicsemi/android/nrftoolbox/profile/BleManagerCallbacks.java
@@ -33,7 +33,7 @@ public interface BleManagerCallbacks {
 	public void onDeviceConnected();
 
 	/**
-	 * Called when user pressed the DISCONNECT button.
+	 * Called when user initialized disconnection.
 	 */
 	public void onDeviceDisconnecting();
 
@@ -43,8 +43,8 @@ public interface BleManagerCallbacks {
 	public void onDeviceDisconnected();
 
 	/**
-	 * Some profiles may use this method to notify user that the link was lost. You must call this method in your Ble Manager instead of {@link #onDeviceDisconnected()} while you discover
-	 * disconnection not initiated by the user.
+	 * This callback is invoked when the Ble Manager lost connection to a device that has been connected with autoConnect option. Otherwise a {@link #onDeviceDisconnected()}
+	 * method will be called on such event.
 	 */
 	public void onLinklossOccur();
 
@@ -64,7 +64,7 @@ public interface BleManagerCallbacks {
 	public void onDeviceReady();
 
 	/**
-	 * Called when battery value has been received from the device
+	 * Called when battery value has been received from the device.
 	 * 
 	 * @param value
 	 *            the battery value in percent
@@ -77,7 +77,7 @@ public interface BleManagerCallbacks {
 	public void onBondingRequired();
 
 	/**
-	 * Called when the device has been successfully bonded
+	 * Called when the device has been successfully bonded.
 	 */
 	public void onBonded();
 
@@ -92,7 +92,7 @@ public interface BleManagerCallbacks {
 	public void onError(final String message, final int errorCode);
 
 	/**
-	 * Called when service discovery has finished but the main services were not found on the device. This may occur when connecting to bonded device that does not support required services.
+	 * Called when service discovery has finished but the main services were not found on the device.
 	 */
 	public void onDeviceNotSupported();
 }
diff --git a/app/src/main/java/no/nordicsemi/android/nrftoolbox/profile/BleProfileService.java b/app/src/main/java/no/nordicsemi/android/nrftoolbox/profile/BleProfileService.java
index 26571d22..c0253762 100644
--- a/app/src/main/java/no/nordicsemi/android/nrftoolbox/profile/BleProfileService.java
+++ b/app/src/main/java/no/nordicsemi/android/nrftoolbox/profile/BleProfileService.java
@@ -82,18 +82,12 @@ public abstract class BleProfileService extends Service implements BleManagerCal
 		 * Disconnects from the sensor.
 		 */
 		public final void disconnect() {
-			onDeviceDisconnecting();
 			if (!mConnected) {
 				mBleManager.close();
 				onDeviceDisconnected();
 				return;
 			}
 
-			// Notify user about changing the state to DISCONNECTING
-			final Intent broadcast = new Intent(BROADCAST_CONNECTION_STATE);
-			broadcast.putExtra(EXTRA_CONNECTION_STATE, STATE_DISCONNECTING);
-			LocalBroadcastManager.getInstance(BleProfileService.this).sendBroadcast(broadcast);
-
 			mBleManager.disconnect();
 		}
 
@@ -278,7 +272,10 @@ public abstract class BleProfileService extends Service implements BleManagerCal
 
 	@Override
 	public void onDeviceDisconnecting() {
-		// do nothing
+		// Notify user about changing the state to DISCONNECTING
+		final Intent broadcast = new Intent(BROADCAST_CONNECTION_STATE);
+		broadcast.putExtra(EXTRA_CONNECTION_STATE, STATE_DISCONNECTING);
+		LocalBroadcastManager.getInstance(this).sendBroadcast(broadcast);
 	}
 
 	@Override
diff --git a/app/src/main/java/no/nordicsemi/android/nrftoolbox/profile/BleProfileServiceReadyActivity.java b/app/src/main/java/no/nordicsemi/android/nrftoolbox/profile/BleProfileServiceReadyActivity.java
index d7121aa3..3f0c1612 100644
--- a/app/src/main/java/no/nordicsemi/android/nrftoolbox/profile/BleProfileServiceReadyActivity.java
+++ b/app/src/main/java/no/nordicsemi/android/nrftoolbox/profile/BleProfileServiceReadyActivity.java
@@ -398,7 +398,6 @@ public abstract class BleProfileServiceReadyActivity<E extends BleProfileService
 				showDeviceScanningDialog(getFilterUUID(), isDiscoverableRequired());
 			} else {
 				Logger.v(mLogSession, "Disconnecting...");
-				onDeviceDisconnecting();
 				mService.disconnect();
 			}
 		} else {
diff --git a/app/src/main/java/no/nordicsemi/android/nrftoolbox/proximity/ProximityManager.java b/app/src/main/java/no/nordicsemi/android/nrftoolbox/proximity/ProximityManager.java
index 12f38118..00f1b4c3 100644
--- a/app/src/main/java/no/nordicsemi/android/nrftoolbox/proximity/ProximityManager.java
+++ b/app/src/main/java/no/nordicsemi/android/nrftoolbox/proximity/ProximityManager.java
@@ -230,9 +230,10 @@ public class ProximityManager extends BleManager<ProximityManagerCallbacks> {
 	}
 
 	@Override
-	public void disconnect() {
-		super.disconnect();
+	public boolean disconnect() {
+		final boolean result = super.disconnect();
 		closeGattServer();
+		return result;
 	}
 
 	@Override
diff --git a/build.gradle b/build.gradle
index d3ff69d6..9405f3fd 100644
--- a/build.gradle
+++ b/build.gradle
@@ -5,7 +5,7 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:1.1.0'
+        classpath 'com.android.tools.build:gradle:1.2.3'
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
diff --git a/release/nRFToolbox_1_14_1.apk b/release/nRFToolbox_1_14_1.apk
deleted file mode 100644
index cf4865d7..00000000
Binary files a/release/nRFToolbox_1_14_1.apk and /dev/null differ