diff --git a/appbuilder/providers/device-app-data-provider.ts b/appbuilder/providers/device-app-data-provider.ts
index 891fc2a0..a4ac9bcf 100644
--- a/appbuilder/providers/device-app-data-provider.ts
+++ b/appbuilder/providers/device-app-data-provider.ts
@@ -102,7 +102,7 @@ export class IOSAppIdentifier extends AppBuilderDeviceAppDataBase implements ILi
 	@cache()
 	public async getDeviceProjectRootPath(): Promise<string> {
 		if (this.device.isEmulator) {
-			const applicationPath = this.$iOSSimResolver.iOSSim.getApplicationPath(this.device.deviceInfo.identifier, this.appIdentifier);
+			const applicationPath = await this.$iOSSimResolver.iOSSim.getApplicationPath(this.device.deviceInfo.identifier, this.appIdentifier);
 			return path.join(applicationPath, "www");
 		}
 
@@ -127,7 +127,7 @@ export class IOSNativeScriptAppIdentifier extends AppBuilderDeviceAppDataBase im
 	@cache()
 	public async getDeviceProjectRootPath(): Promise<string> {
 		if (this.device.isEmulator) {
-			const applicationPath = this.$iOSSimResolver.iOSSim.getApplicationPath(this.device.deviceInfo.identifier, this.appIdentifier);
+			const applicationPath = await this.$iOSSimResolver.iOSSim.getApplicationPath(this.device.deviceInfo.identifier, this.appIdentifier);
 			return applicationPath;
 		}
 
diff --git a/definitions/mobile.d.ts b/definitions/mobile.d.ts
index 6b22a796..b58038b8 100644
--- a/definitions/mobile.d.ts
+++ b/definitions/mobile.d.ts
@@ -233,7 +233,7 @@ declare module Mobile {
 		 * @param {string} deviceId The unique identifier of the device.
 		 * @param {Mobile.IiOSLogStreamOptions} options Describes the options which can be passed
 		 */
-		startLogProcess(deviceId: string, options?: Mobile.IiOSLogStreamOptions): void;
+		startLogProcess(deviceId: string, options?: Mobile.IiOSLogStreamOptions): Promise<void>;
 		/**
 		 * Starts a new process for getting simulator logs and emits and DEVICE_LOG_EVENT_NAME event. The event's reponse is with muted=true flag so it will not be printed from deviceLogProvider.
 		 * @param {string} deviceId The unique identifier of the device.
diff --git a/mobile/ios/simulator/ios-simulator-application-manager.ts b/mobile/ios/simulator/ios-simulator-application-manager.ts
index b7495275..bf57994a 100644
--- a/mobile/ios/simulator/ios-simulator-application-manager.ts
+++ b/mobile/ios/simulator/ios-simulator-application-manager.ts
@@ -32,7 +32,7 @@ export class IOSSimulatorApplicationManager extends ApplicationManagerBase {
 			}
 		}
 
-		this.iosSim.installApplication(this.device.deviceInfo.identifier, packageFilePath);
+		return this.iosSim.installApplication(this.device.deviceInfo.identifier, packageFilePath);
 	}
 
 	public async uninstallApplication(appIdentifier: string): Promise<void> {
@@ -40,7 +40,7 @@ export class IOSSimulatorApplicationManager extends ApplicationManagerBase {
 	}
 
 	public async startApplication(appData: Mobile.IApplicationData): Promise<void> {
-		const launchResult = this.iosSim.startApplication(this.device.deviceInfo.identifier, appData.appId);
+		const launchResult = await this.iosSim.startApplication(this.device.deviceInfo.identifier, appData.appId);
 		const pid = getPidFromiOSSimulatorLogs(appData.appId, launchResult);
 		await this.setDeviceLogData(appData, pid);
 	}
@@ -87,7 +87,7 @@ export class IOSSimulatorApplicationManager extends ApplicationManagerBase {
 			return null;
 		}
 
-		const applicationPath = this.iosSim.getApplicationPath(this.device.deviceInfo.identifier, appIdentifier),
+		const applicationPath = await this.iosSim.getApplicationPath(this.device.deviceInfo.identifier, appIdentifier),
 			pathToInfoPlist = path.join(applicationPath, "Info.plist");
 
 		return this.$fs.exists(pathToInfoPlist) ? await this.$plistParser.parseFile(pathToInfoPlist) : null;
diff --git a/mobile/ios/simulator/ios-simulator-device.ts b/mobile/ios/simulator/ios-simulator-device.ts
index 6ed0529b..27d6e239 100644
--- a/mobile/ios/simulator/ios-simulator-device.ts
+++ b/mobile/ios/simulator/ios-simulator-device.ts
@@ -58,7 +58,7 @@ export class IOSSimulator implements Mobile.IiOSSimulator {
 	public async openDeviceLogStream(options?: Mobile.IiOSLogStreamOptions): Promise<void> {
 		this._deviceLogHandler = this.onDeviceLog.bind(this, options);
 		this.$iOSSimulatorLogProvider.on(constants.DEVICE_LOG_EVENT_NAME, this._deviceLogHandler);
-		this.$iOSSimulatorLogProvider.startLogProcess(this.simulator.id, options);
+		return this.$iOSSimulatorLogProvider.startLogProcess(this.simulator.id, options);
 	}
 
 	public detach(): void {
diff --git a/mobile/ios/simulator/ios-simulator-log-provider.ts b/mobile/ios/simulator/ios-simulator-log-provider.ts
index e975a33b..a9ac9f02 100644
--- a/mobile/ios/simulator/ios-simulator-log-provider.ts
+++ b/mobile/ios/simulator/ios-simulator-log-provider.ts
@@ -18,9 +18,9 @@ export class IOSSimulatorLogProvider extends EventEmitter implements Mobile.IiOS
 		this.shouldDispose = shouldDispose;
 	}
 
-	public startLogProcess(deviceId: string, options?: Mobile.IiOSLogStreamOptions): void {
+	public async startLogProcess(deviceId: string, options?: Mobile.IiOSLogStreamOptions): Promise<void> {
 		if (!this.simulatorsLoggingEnabled[deviceId]) {
-			const deviceLogChildProcess: ChildProcess = this.$iOSSimResolver.iOSSim.getDeviceLogProcess(deviceId, options ? options.predicate : null);
+			const deviceLogChildProcess: ChildProcess = await this.$iOSSimResolver.iOSSim.getDeviceLogProcess(deviceId, options ? options.predicate : null);
 
 			const action = (data: NodeBuffer | string) => {
 				const message = data.toString();