Чтобы найти ios Версия
[[UIDevice currentDevice] systemVersion];
Чтобы найти место на диске
float totalSpace = 0.0f;
float totalFreeSpace = 0.0f;
NSError *error = nil;
NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
NSDictionary *dictionary = [[NSFileManager defaultManager] attributesOfFileSystemForPath:[paths lastObject] error: &error];
if (dictionary) {
NSNumber *fileSystemSizeInBytes = [dictionary objectForKey: NSFileSystemSize];
NSNumber *freeFileSystemSizeInBytes = [dictionary objectForKey:NSFileSystemFreeSize];
totalSpace = [fileSystemSizeInBytes floatValue];
totalFreeSpace = [freeFileSystemSizeInBytes floatValue];
NSLog(@"Memory Capacity of %f MiB with %f MiB Free memory available.", ((totalSpace/1024.0f)/1024.0f), ((totalFreeSpace/1024.0f)/1024.0f));
} else {
NSLog(@"Error Obtaining System Memory Info: Domain = %@, Code = %@", [error domain], [error code]);
}
NSLog(@"%f",totalFreeSpace);
Чтобы найти имя устройства
NSLog(@"%@",[[UIDevice currentDevice] name]);