// save the info system button image to where you can access it

UIButton *info = [UIButton buttonWithType:UIButtonTypeInfoLight];
NSData *img = UIImagePNGRepresentation([info imageForState:UIControlStateNormal]);
NSString *path = [[[NSBundle mainBundle] resourcePath] stringByAppendingPathComponent:@"info.png"];
[img writeToFile:path atomically:NO];

NSLog(@"%@", path);