Ionic native HTTP plugin not usable in IOS 10

Hi guys this has bother me for days. The http plugin works well in android but when come to ios it just dont work. It does not show any error also.
i have also include below code in my info.plist. i did not include http:// in my domain.
Any idea guys ?

               <key> </key>

here is my ionic environment
cli packages: (/usr/local/lib/node_modules)

@ionic/cli-utils  : 1.9.2
ionic (Ionic CLI) : 3.9.2

global packages:

Cordova CLI : 7.0.1 

local packages:

@ionic/app-scripts : 2.1.3
Cordova Platforms  : ios 4.4.0
Ionic Framework    : ionic-angular 3.6.0


ios-sim : 6.0.0 
Node    : v8.1.2
npm     : 5.3.0 
OS      : macOS Sierra
Xcode   : Xcode 8.3.3 Build version 8E3004b