title: APNS Push Notification Payload Size
body: <ol>
  <li><p>Apple says the payload size of the pushed notification is up to 2k(In WWDC 2014), but in my test it still 256 bytes. And i find the office document that still says <a href="https://developer.apple.com/library/IOs/documentation/NetworkingInternet/Conceptual/RemoteNotificationsPG/Chapters/ApplePushService.html" rel="nofollow">256bytes</a>. 
  I don't know why someone says that the payload size is already up to 2k? </p>
  
  <p>Should i change some setting in my code ? or must set the special properties in payload? </p></li>
  <li><p>If 2k is right,  it still works in iOS7 or lower os version?</p></li>
  </ol>
  
  <p>(I test this new feature in development certification not production)</p>