diff --git a/SiliconLabsApp.xcodeproj/project.pbxproj b/SiliconLabsApp.xcodeproj/project.pbxproj
index 5f64cad6..2d1583b6 100644
--- a/SiliconLabsApp.xcodeproj/project.pbxproj
+++ b/SiliconLabsApp.xcodeproj/project.pbxproj
@@ -939,6 +939,7 @@
 		4D9E26262212CA7000617DBA /* SILRangeTestBoardInfo.swift in Sources */ = {isa = PBXBuildFile; fileRef = 4D9E26242212CA7000617DBA /* SILRangeTestBoardInfo.swift */; };
 		4D9E26272212CA7000617DBA /* SILRangeTestBoardInfo.swift in Sources */ = {isa = PBXBuildFile; fileRef = 4D9E26242212CA7000617DBA /* SILRangeTestBoardInfo.swift */; };
 		721423922AD69E8B00DC3FA2 /* PlugViewController.m in Sources */ = {isa = PBXBuildFile; fileRef = 721423912AD69E8B00DC3FA2 /* PlugViewController.m */; };
+		724CB4D42BD7DEBE003E9A99 /* PrivacyInfo.xcprivacy in Resources */ = {isa = PBXBuildFile; fileRef = 724CB4D32BD7DEBE003E9A99 /* PrivacyInfo.xcprivacy */; };
 		7254545F2ACC1710003967CA /* Cluster.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 7254545E2ACC1710003967CA /* Cluster.storyboard */; };
 		725454622ACC82B9003967CA /* WindowOpenCloseViewController.m in Sources */ = {isa = PBXBuildFile; fileRef = 725454612ACC82B9003967CA /* WindowOpenCloseViewController.m */; };
 		725454652ACC8486003967CA /* DoorLockViewController.m in Sources */ = {isa = PBXBuildFile; fileRef = 725454642ACC8486003967CA /* DoorLockViewController.m */; };
@@ -1947,6 +1948,7 @@
 		721423902AD69E8B00DC3FA2 /* PlugViewController.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = PlugViewController.h; sourceTree = "<group>"; };
 		721423912AD69E8B00DC3FA2 /* PlugViewController.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = PlugViewController.m; sourceTree = "<group>"; };
 		722F5EF560719504746B876B /* Pods-BlueGecko.release-wireless-gecko.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-BlueGecko.release-wireless-gecko.xcconfig"; path = "Pods/Target Support Files/Pods-BlueGecko/Pods-BlueGecko.release-wireless-gecko.xcconfig"; sourceTree = "<group>"; };
+		724CB4D32BD7DEBE003E9A99 /* PrivacyInfo.xcprivacy */ = {isa = PBXFileReference; lastKnownFileType = text.xml; path = PrivacyInfo.xcprivacy; sourceTree = "<group>"; };
 		7254545E2ACC1710003967CA /* Cluster.storyboard */ = {isa = PBXFileReference; lastKnownFileType = file.storyboard; path = Cluster.storyboard; sourceTree = "<group>"; };
 		725454602ACC82B9003967CA /* WindowOpenCloseViewController.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = WindowOpenCloseViewController.h; sourceTree = "<group>"; };
 		725454612ACC82B9003967CA /* WindowOpenCloseViewController.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = WindowOpenCloseViewController.m; sourceTree = "<group>"; };
@@ -5104,6 +5106,7 @@
 				E6CAA2231A64011900A49DAF /* Supporting Files */,
 				FE36FC6B2864783B00A9CB41 /* SILAppDelegate.swift */,
 				498311D31BF29A5400D49FF2 /* SILCharacteristicEditEnabler.h */,
+				724CB4D32BD7DEBE003E9A99 /* PrivacyInfo.xcprivacy */,
 			);
 			path = SiliconLabsApp;
 			sourceTree = "<group>";
@@ -5389,6 +5392,7 @@
 				4C9EAB5F24042FB00023FFB1 /* Roboto-LightItalic.ttf in Resources */,
 				1E1457FF266E0579009792C2 /* SILAppTypeThroughput.storyboard in Resources */,
 				2051321A270365A800C27B92 /* Assets.xcassets in Resources */,
+				724CB4D42BD7DEBE003E9A99 /* PrivacyInfo.xcprivacy in Resources */,
 				0C2FCBB81F9A542300F4F259 /* SILDebugAdvDetailsViewController.xib in Resources */,
 				4C95EB7723FEC8600091FB5A /* SILAppBluetoothBrowserDetails.storyboard in Resources */,
 				0C2FCBB91F9A542300F4F259 /* SILRetailBeaconDetailsViewController.xib in Resources */,
@@ -6910,7 +6914,7 @@
 				CODE_SIGN_IDENTITY = "Apple Development";
 				CODE_SIGN_RESOURCE_RULES_PATH = "";
 				CODE_SIGN_STYLE = Automatic;
-				CURRENT_PROJECT_VERSION = 11;
+				CURRENT_PROJECT_VERSION = 1;
 				DEFINES_MODULE = YES;
 				DEVELOPMENT_TEAM = 52444FG85C;
 				DISPLAY_NAME = "EFR Connect";
@@ -6928,7 +6932,7 @@
 					"$(inherited)",
 					"@executable_path/Frameworks",
 				);
-				MARKETING_VERSION = 2.8.1;
+				MARKETING_VERSION = 2.8.2;
 				PRODUCT_BUNDLE_IDENTIFIER = com.silabs.BlueGeckoDemoApp;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				PROVISIONING_PROFILE_SPECIFIER = "";
@@ -6952,7 +6956,7 @@
 				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Distribution";
 				CODE_SIGN_RESOURCE_RULES_PATH = "";
 				CODE_SIGN_STYLE = Manual;
-				CURRENT_PROJECT_VERSION = 11;
+				CURRENT_PROJECT_VERSION = 1;
 				DEFINES_MODULE = YES;
 				DEVELOPMENT_TEAM = "";
 				"DEVELOPMENT_TEAM[sdk=iphoneos*]" = 52444FG85C;
@@ -6970,7 +6974,7 @@
 					"$(inherited)",
 					"@executable_path/Frameworks",
 				);
-				MARKETING_VERSION = 2.8.1;
+				MARKETING_VERSION = 2.8.2;
 				PRODUCT_BUNDLE_IDENTIFIER = com.silabs.BlueGeckoDemoApp;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				PROVISIONING_PROFILE_SPECIFIER = "BlueGeckoDemoApp Distribution";
diff --git a/SiliconLabsApp/Models/SILBlinkyPeripheralDelegate.swift b/SiliconLabsApp/Models/SILBlinkyPeripheralDelegate.swift
index 0aec0051..6ee956e9 100644
--- a/SiliconLabsApp/Models/SILBlinkyPeripheralDelegate.swift
+++ b/SiliconLabsApp/Models/SILBlinkyPeripheralDelegate.swift
@@ -296,6 +296,8 @@ class SILBlinkyPeripheralDelegate: NSObject, CBPeripheralDelegate {
                 return
             }
             
+            // battery level
+            UserDefaults.standard.set(Int(value), forKey: "initialBatteryLevel")
             self.updatePower(batteryLevel: Int(value))
             updateStateIfIsInitiated()
         }
diff --git a/SiliconLabsApp/PrivacyInfo.xcprivacy b/SiliconLabsApp/PrivacyInfo.xcprivacy
new file mode 100644
index 00000000..fcfc3663
--- /dev/null
+++ b/SiliconLabsApp/PrivacyInfo.xcprivacy
@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>NSPrivacyAccessedAPITypes</key>
+	<array>
+		<dict>
+			<key>NSPrivacyAccessedAPIType</key>
+			<string>NSPrivacyAccessedAPICategoryDiskSpace</string>
+			<key>NSPrivacyAccessedAPITypeReasons</key>
+			<array>
+				<string>85F4.1</string>
+				<string>3B52.1</string>
+				<string>35F9.1</string>
+				<string>1C8F.1</string>
+			</array>
+		</dict>
+	</array>
+</dict>
+</plist>
diff --git a/SiliconLabsApp/ThunderBoard/Navigation/ConnectedDeviceBarView.swift b/SiliconLabsApp/ThunderBoard/Navigation/ConnectedDeviceBarView.swift
index fb3230fb..5321098f 100644
--- a/SiliconLabsApp/ThunderBoard/Navigation/ConnectedDeviceBarView.swift
+++ b/SiliconLabsApp/ThunderBoard/Navigation/ConnectedDeviceBarView.swift
@@ -16,6 +16,7 @@ class ConnectedDeviceBarView: UIView {
     @IBOutlet weak var batteryStatusLabel: UILabel!
     @IBOutlet weak var batteryStatusImageView: BatteryIcon!
     @IBOutlet weak var firmwareVersionLabel: UILabel!
+    var defaultValue = 0
     
     var level: Int = 0 {
         didSet {
@@ -49,7 +50,12 @@ class ConnectedDeviceBarView: UIView {
             case .aa(let level):
                 self.level = level
             case .coinCell(let level):
-                self.level = level
+                if level == defaultValue {
+                    let initialBatteryLevel: Int = UserDefaults.standard.integer(forKey: "initialBatteryLevel")
+                    self.level = initialBatteryLevel
+                } else {
+                    self.level = level
+                }
             case .genericBattery(let level):
                 self.level = level
             }
diff --git a/SiliconLabsApp/ViewControllers/AppSelection/SILAppSelectionViewController.swift b/SiliconLabsApp/ViewControllers/AppSelection/SILAppSelectionViewController.swift
index a9d9b5d5..276ed213 100644
--- a/SiliconLabsApp/ViewControllers/AppSelection/SILAppSelectionViewController.swift
+++ b/SiliconLabsApp/ViewControllers/AppSelection/SILAppSelectionViewController.swift
@@ -110,7 +110,6 @@ class SILAppSelectionViewController : UIViewController, UICollectionViewDataSour
         if let viewController = storyboard.instantiateInitialViewController() {
             self.navigationController?.pushViewController(viewController, animated: animated)
         }
-
     }
     
     private func showRSSIGraph(app: SILApp!, animated: Bool) {
@@ -406,4 +405,13 @@ class SILAppSelectionViewController : UIViewController, UICollectionViewDataSour
             self.navigationController?.pushViewController(demoViewController, animated: true)
         }
     }
+    
+//    func dismissView(devicePopover: WYPopoverController) {
+//        print("dismiss popup mantosh ")
+//        DispatchQueue.main.asyncAfter(deadline: .now() + 1) {
+//            self.didDismissSILWifiOTAConfigViewController()
+//            self.didDismissDeviceSelectionViewController()
+//            print("deleted popup mantosh ")
+//        }
+//    }
 }
diff --git a/SiliconLabsApp/ViewControllers/Blinky/SILAppTypeBlinkyViewController.swift b/SiliconLabsApp/ViewControllers/Blinky/SILAppTypeBlinkyViewController.swift
index 2e34e49a..a2ce281a 100644
--- a/SiliconLabsApp/ViewControllers/Blinky/SILAppTypeBlinkyViewController.swift
+++ b/SiliconLabsApp/ViewControllers/Blinky/SILAppTypeBlinkyViewController.swift
@@ -39,6 +39,7 @@ class SILAppTypeBlinkyViewController: UIViewController, ConnectedDeviceDelegate,
         super.viewDidDisappear(animated)
         viewModel?.removeObserverAndDisconnect()
         self.disposeBag.invalidateTokens()
+        UserDefaults.standard.removeObject(forKey: "initialBatteryLevel")
     }
     
     override func viewWillAppear(_ animated: Bool) {
diff --git a/SiliconLabsApp/ViewControllers/ConnectedLightingApp/SILConnectedLightingViewController.m b/SiliconLabsApp/ViewControllers/ConnectedLightingApp/SILConnectedLightingViewController.m
index 7c91b2db..8774bb41 100644
--- a/SiliconLabsApp/ViewControllers/ConnectedLightingApp/SILConnectedLightingViewController.m
+++ b/SiliconLabsApp/ViewControllers/ConnectedLightingApp/SILConnectedLightingViewController.m
@@ -49,6 +49,7 @@ @interface SILConnectedLightingViewController () <CBPeripheralDelegate, UIGestur
 @property (weak, nonatomic) IBOutlet UILabel *lastEventSourceLabel;
 @property (weak, nonatomic) IBOutlet UIView *lastEventImageContentView;
 @property (strong, nonatomic) UISelectionFeedbackGenerator *feedbackGenerator;
+@property (nonatomic, strong) CBCentralManager *bluetoothManager;
 
 @end
 
@@ -231,6 +232,11 @@ - (void)viewDidLoad {
     [self setLeftAlignedTitle:@"Connected Lighting"];
     
     [self.lastEventImageContentView setHidden:YES];
+    
+    if(!self.bluetoothManager) {
+        NSDictionary *options = @{CBCentralManagerOptionShowPowerAlertKey: @NO};
+        self.bluetoothManager = [[CBCentralManager alloc] initWithDelegate: self queue:nil options:options];
+    }
 }
 
 - (void)viewDidLayoutSubviews {
@@ -330,6 +336,25 @@ - (void)discoverPeripheralCharacteristicsForServices {
     }
 }
 
+#pragma mark - Central Manager status
+
+- (void) showAlert: (NSString *) stateString {
+    UIAlertAction* okButton = [UIAlertAction actionWithTitle:@"OK" style:UIAlertActionStyleDefault
+                                handler:^(UIAlertAction * action) {
+                                    [self.navigationController popViewControllerAnimated:YES];
+                                }];
+
+    UIAlertController * alert = [UIAlertController alertControllerWithTitle:@"Bluetooth Disabled" message:stateString preferredStyle:UIAlertControllerStyleAlert];
+    [alert addAction:okButton];
+    [self presentViewController:alert animated:YES completion:nil];
+}
+
+- (void)centralManagerDidUpdateState:(CBCentralManager *)central {
+    if (central.state == CBManagerStatePoweredOff) {
+        [self showAlert:@"You will be redirected to the home screen. Turn on Bluetoooth to use Connected Lighting"];
+    }
+}
+
 #pragma mark - CBPeripheralDelegate
 
 - (void)peripheral:(CBPeripheral *)peripheral didDiscoverServices:(NSError *)error {
diff --git a/SiliconLabsApp/ViewControllers/HealthThermometerApp/SILHealthThermometerAppViewController.m b/SiliconLabsApp/ViewControllers/HealthThermometerApp/SILHealthThermometerAppViewController.m
index 4f113053..da696c41 100644
--- a/SiliconLabsApp/ViewControllers/HealthThermometerApp/SILHealthThermometerAppViewController.m
+++ b/SiliconLabsApp/ViewControllers/HealthThermometerApp/SILHealthThermometerAppViewController.m
@@ -43,6 +43,7 @@ @interface SILHealthThermometerAppViewController () <CBPeripheralDelegate, UICol
 @property (weak, nonatomic) IBOutlet SILThermometerSegmentedControl *typeControl;
 @property (assign, nonatomic) BOOL isConnected;
 @property (weak, nonatomic) IBOutlet UIStackView *presentationSpace;
+@property (nonatomic, strong) CBCentralManager *bluetoothManager;
 
 @end
 
@@ -226,6 +227,11 @@ - (void)viewDidLoad {
     [self setup];
     self.temperatureMeasurements = [NSMutableArray array];
     [self setLeftAlignedTitle:@"Health Thermometer"];
+    
+    if(!self.bluetoothManager) {
+        NSDictionary *options = @{CBCentralManagerOptionShowPowerAlertKey: @NO};
+        self.bluetoothManager = [[CBCentralManager alloc] initWithDelegate: self queue:nil options:options];
+    }
 }
 
 - (void)viewDidAppear:(BOOL)animated {
@@ -313,6 +319,25 @@ - (void)discoverPeripheralCharacteristicsForServices {
     }
 }
 
+#pragma mark - Central Manager status 
+
+- (void) showAlert: (NSString *) stateString {
+    UIAlertAction* okButton = [UIAlertAction actionWithTitle:@"OK" style:UIAlertActionStyleDefault
+                                handler:^(UIAlertAction * action) {
+                                    [self.navigationController popViewControllerAnimated:YES];
+                                }];
+
+    UIAlertController * alert = [UIAlertController alertControllerWithTitle:@"Bluetooth Disabled" message:stateString preferredStyle:UIAlertControllerStyleAlert];
+    [alert addAction:okButton];
+    [self presentViewController:alert animated:YES completion:nil];
+}
+
+- (void)centralManagerDidUpdateState:(CBCentralManager *)central {
+    if (central.state == CBManagerStatePoweredOff) {
+        [self showAlert:@"You will be redirected to the home screen. Turn on Bluetoooth to use Health Thermometer"];
+    }
+}
+
 #pragma mark - Central Manager Notifications
 
 - (void)registerForBluetoothControllerNotifications {
diff --git a/SiliconLabsApp/ViewControllers/RangeTestApp/SILRangeTestAppContainerViewController.swift b/SiliconLabsApp/ViewControllers/RangeTestApp/SILRangeTestAppContainerViewController.swift
index 9be36ef8..caf79298 100644
--- a/SiliconLabsApp/ViewControllers/RangeTestApp/SILRangeTestAppContainerViewController.swift
+++ b/SiliconLabsApp/ViewControllers/RangeTestApp/SILRangeTestAppContainerViewController.swift
@@ -21,16 +21,19 @@ protocol SILRangeTestBluetoothConnectionsHandler: class {
     var filter: DiscoveredPeripheralFilter { get }
 }
 
-class SILRangeTestAppContainerViewController: UIViewController, UITabBarControllerDelegate {
+class SILRangeTestAppContainerViewController: UIViewController, UITabBarControllerDelegate, CBCentralManagerDelegate {
     
     @IBOutlet weak var tabSelection: UISegmentedControl!
     
     var tabController: UITabBarController!
     var connectedPeripherals: [CBPeripheral] = []
-    
+    var manager: CBCentralManager!
+
     override func viewDidLoad() {
         super.viewDidLoad()
         setLeftAlignedTitle("Range Test")
+        manager = CBCentralManager()
+        manager.delegate = self
     }
     
     override func viewWillAppear(_ animated: Bool) {
@@ -103,4 +106,27 @@ extension SILRangeTestAppContainerViewController: SILRangeTestBluetoothConnectio
             connectedPeripherals.append(peripheral)
         }
     }
+    
+    // MARK: - centralManagerDidUpdateState delegate
+    @objc func centralManagerDidUpdateState(_ central: CBCentralManager) {
+        switch central.state {
+        case .poweredOn:
+            break
+        case .poweredOff:
+            self.bluetoothIsDisabled()
+            print(" main VC ")
+            break
+        case .resetting:
+            break
+        case .unauthorized:
+            break
+        case .unsupported:
+            break
+        case .unknown:
+            break
+        default:
+            break
+        }
+    }
+
 }
diff --git a/SiliconLabsApp/ViewControllers/RangeTestApp/SILRangeTestSelectDeviceViewController.swift b/SiliconLabsApp/ViewControllers/RangeTestApp/SILRangeTestSelectDeviceViewController.swift
index ca7ff17f..d0262bc1 100644
--- a/SiliconLabsApp/ViewControllers/RangeTestApp/SILRangeTestSelectDeviceViewController.swift
+++ b/SiliconLabsApp/ViewControllers/RangeTestApp/SILRangeTestSelectDeviceViewController.swift
@@ -8,7 +8,7 @@
 
 import UIKit
 
-class SILRangeTestSelectDeviceViewController: UIViewController, SILDeviceSelectionViewControllerDelegate, WYPopoverControllerDelegate, SILRangeTestModeSelectionViewControllerDelegate {
+class SILRangeTestSelectDeviceViewController: UIViewController, SILDeviceSelectionViewControllerDelegate, WYPopoverControllerDelegate, SILRangeTestModeSelectionViewControllerDelegate, CBCentralManagerDelegate {
     
     @IBOutlet weak var connectButton: SILPrimaryButton!
     
@@ -17,16 +17,22 @@ class SILRangeTestSelectDeviceViewController: UIViewController, SILDeviceSelecti
     
     private var popoverController: WYPopoverController?
     weak var bluetoothConnectionsHandler: SILRangeTestBluetoothConnectionsHandler?
-
+    var manager: CBCentralManager!
+    var bleStatus: Bool = true
+    
     override func viewDidLoad() {
         super.viewDidLoad()
         connectButton.isEnabled = false
+        manager = CBCentralManager()
+        manager.delegate = self
     }
     
     override func viewDidAppear(_ animated: Bool) {
         super.viewDidAppear(animated)
-        
-        connect()
+        // show popup and connect if bluetooth is available
+        if bleStatus {
+            connect()
+        }
     }
     
     @IBAction func didTapConnect(_ sender: Any) {
@@ -102,4 +108,31 @@ class SILRangeTestSelectDeviceViewController: UIViewController, SILDeviceSelecti
     func popoverControllerDidDismissPopover(_ popoverController: WYPopoverController!) {
         self.popoverController = nil
     }
+    
+    // MARK: - centralManagerDidUpdateState delegate
+    @objc func centralManagerDidUpdateState(_ central: CBCentralManager) {
+        switch central.state {
+        case .poweredOn:
+            bleStatus = true
+            break
+        case .poweredOff:
+            self.popoverController?.dismissPopover(animated: true)
+            bleStatus = false
+            break
+        case .resetting:
+            bleStatus = false
+            break
+        case .unauthorized:
+            bleStatus = false
+            break
+        case .unsupported:
+            bleStatus = false
+            break
+        case .unknown:
+            bleStatus = false
+            break
+        default:
+            break
+        }
+    }
 }
diff --git a/SiliconLabsApp/ViewControllers/Throughput/SILThroughputViewController.swift b/SiliconLabsApp/ViewControllers/Throughput/SILThroughputViewController.swift
index 511bf8a1..ae6f047d 100644
--- a/SiliconLabsApp/ViewControllers/Throughput/SILThroughputViewController.swift
+++ b/SiliconLabsApp/ViewControllers/Throughput/SILThroughputViewController.swift
@@ -9,7 +9,7 @@
 import Foundation
 import SVProgressHUD
 
-class SILThroughputViewController: UIViewController, UIGestureRecognizerDelegate {
+class SILThroughputViewController: UIViewController, UIGestureRecognizerDelegate, CBCentralManagerDelegate {
     @IBOutlet weak var speedGaugeView: SILThroughputGaugeView!
     
     @IBOutlet weak var notificationsTestButton: UIButton!
@@ -34,7 +34,8 @@ class SILThroughputViewController: UIViewController, UIGestureRecognizerDelegate
     var peripheralManager: SILThroughputPeripheralManager!
     var centralManager: SILCentralManager!
     var connectedPeripheral: CBPeripheral!
-    
+    var manager: CBCentralManager!
+
     private var disposeBag = SILObservableTokenBag()
     
     override func viewDidLoad() {
@@ -50,6 +51,8 @@ class SILThroughputViewController: UIViewController, UIGestureRecognizerDelegate
         viewModel.viewDidLoad()
         
         setLeftAlignedTitle("Throughput")
+        manager = CBCentralManager()
+        manager.delegate = self
     }
     
     override func viewDidAppear(_ animated: Bool) {
@@ -182,7 +185,9 @@ class SILThroughputViewController: UIViewController, UIGestureRecognizerDelegate
             
             switch state {
             case .invalidCommunicationWithEFR:
-                weakSelf.showCharacteristicArentNotyfingErrorDialog()
+                DispatchQueue.main.async {
+                    weakSelf.showCharacteristicArentNotyfingErrorDialog()
+                }
                 
             case .noSubscriber:
                 weakSelf.showNoSubscriberErrorDialog()
@@ -302,4 +307,25 @@ class SILThroughputViewController: UIViewController, UIGestureRecognizerDelegate
                                                 self.backToHomeScreenActions()
         })
     }
+    
+    // MARK: - centralManagerDidUpdateState delegate 
+    @objc func centralManagerDidUpdateState(_ central: CBCentralManager) {
+        switch central.state {
+        case .poweredOn:
+            break
+        case .poweredOff:
+            self.showBluetoothDisabledAlert()
+            break
+        case .resetting:
+            break
+        case .unauthorized:
+            break
+        case .unsupported:
+            break
+        case .unknown:
+            break
+        default:
+            break
+        }
+    }
 }