I searched a lot about my issue and I tried different solution, but it doesn't work :/
Link what I tried: NSURLSession/NSURLConnection HTTP load failed on iOS 9
2016-06-24 10:51:56.760 <App Name>[1817:1004680] NSURLSession/NSURLConnection HTTP load failed (kCFStreamErrorDomainSSL, -9802)
UPDATE
After adding the lines below:
<key>NSAppTransportSecurity</key>
 <dict>
   <key>NSAllowsArbitraryLoads</key>
   <true/>
 </dict>
I get this error:
NSURLSession/NSURLConnection HTTP load failed (kCFStreamErrorDomainSSL, -9813)
But when I follow the introduction of developer apple everything should be fine:
 
    