How to get iPhone iPad System Properties

UIDevice Class is used to get the phone name, model, localizedModel, systemname, system version,orientation,battery level etc.

  [[UIDevice currentDevice] name]

  [[UIDevice currentDevice] model]

  [[UIDevice currentDevice] localizedModel]

  [[UIDevice currentDevice] systemName]

  [[UIDevice currentDevice] systemVersion]

  [[UIDevice currentDevice] orientation]

  [[UIDevice currentDevice] batteryLevel]

The main advantage is to check the battery level ;

float btlevel = [[UIDevice currentDevice] batteryLevel]; // range is from 0.0 to 1.0 UIDeviceBatteryState btstate = [UIDevice currentDevice] batteryStatus];