text: #import <Reachability/Reachability.h>
  #import <SystemConfiguration/CaptiveNetwork.h>
  
  #import "UIScreen+PowerPack.h"
  
  @interface UIDevice(PowerPack)
  
  - (bool)isIPad;
  - (bool)isIPhone;
  - (bool)isIPhone4OrLess;
  - (bool)isIPhone5;
  - (bool)isIPhone6;
  - (bool)isIPhone6Plus;
  - (bool)isIOS7;
  - (bool)isIOS7OrAbove;
  - (bool)isIOS8;
  - (bool)isIOS8OrAbove;
  - (NSString *)connectedWifiSSID;
  - (UIInterfaceOrientation)interfaceOrientation;
  - (BOOL)isInternetAvailable;
  - (BOOL)isWifiInternetAvailable;
  
  @end
  