Ionic error connection refused (web page not available)

Using command ionic cordova run android -l -c before android device was connected and working properly for testing in chrome developer tool. But now it is not running and showing error. May be due to latest upgrade to ionic cli 4. here is ionic info

Ionic:

   ionic (Ionic CLI)  : 4.10.3 (/usr/local/lib/node_modules/ionic)
   Ionic Framework    : ionic-angular 3.9.2
   @ionic/app-scripts : 3.2.3

Cordova:

   cordova (Cordova CLI) : 8.1.2 (cordova-lib@8.1.1)
   Cordova Platforms     : android 6.4.0
   Cordova Plugins       : cordova-plugin-ionic-keyboard 2.1.3, cordova-plugin-ionic-webview 1.2.1, (and 6 other plugins)

System:

   ios-deploy : 1.9.4
   NodeJS     : v8.11.3 (/usr/local/bin/node)
   npm        : 5.6.0
   OS         : macOS Mojave
   Xcode      : Xcode 10.1 Build version 10B61```

**package.json**

“dependencies”: {
@angular/animations”: “5.2.11”,
@angular/common”: “5.2.11”,
@angular/compiler”: “5.2.11”,
@angular/compiler-cli”: “5.2.11”,
@angular/core”: “5.2.11”,
@angular/forms”: “5.2.11”,
@angular/http”: “5.2.11”,
@angular/platform-browser”: “5.2.11”,
@angular/platform-browser-dynamic”: “5.2.11”,
@ionic-native/core”: “^5.0.0-beta.14”,
@ionic-native/fingerprint-aio”: “^5.2.0”,
@ionic-native/native-page-transitions”: “^5.2.0”,
@ionic-native/splash-screen”: “~4.18.0”,
@ionic-native/status-bar”: “~4.18.0”,
@ionic/storage”: “2.2.0”,
“chart.js”: “^2.7.3”,
“com.telerik.plugins.nativepagetransitions”: “0.6.5”,
“cordova-android”: “6.4.0”,
“cordova-plugin-add-swift-support”: “^1.7.2”,
“cordova-plugin-device”: “^2.0.2”,
“cordova-plugin-fingerprint-aio”: “^1.6.0”,
“cordova-plugin-ionic-keyboard”: “^2.1.3”,
“cordova-plugin-ionic-webview”: “^1.2.1”,
“cordova-plugin-splashscreen”: “^5.0.2”,
“cordova-plugin-statusbar”: “^2.4.2”,
“cordova-plugin-whitelist”: “^1.3.3”,
“ionic-angular”: “3.9.2”,
“ionicons”: “3.0.0”,
“rxjs”: “^6.0.0”,
“rxjs-compat”: “^6.4.0”,
“sw-toolbox”: “3.6.0”,
“zone.js”: “0.8.26”
},
“devDependencies”: {
@ionic/app-scripts”: “3.2.3”,
@ionic/cli-plugin-cordova”: “1.6.2”,
@ionic/cli-plugin-ionic-angular”: “1.4.1”,
@ionic/lab”: “1.0.19”,
“typescript”: “~2.6.2”
},
“description”: “An Ionic project”,
“cordova”: {
“plugins”: {
“cordova-plugin-whitelist”: {},
“cordova-plugin-statusbar”: {},
“cordova-plugin-device”: {},
“cordova-plugin-splashscreen”: {},
“cordova-plugin-ionic-keyboard”: {},
“cordova-plugin-fingerprint-aio”: {
“FACEID_USAGE_DESCRIPTION”: " "
},
“com.telerik.plugins.nativepagetransitions”: {},
“cordova-plugin-ionic-webview”: {}
},
“platforms”: [
“android”
]
}

![img](upload://aIwbPX2mEzg0R8W4zeYkTCjbeVP.png)