+ (NSString*)deviceVersion{

? ? structutsnamesystemInfo;

? ? uname(&systemInfo);

? ? NSString*phoneType = [NSString stringWithCString:systemInfo.machine encoding:NSASCIIStringEncoding];

? ? if([phoneType? isEqualToString:@"iPhone1,1"])? return@"iPhone 2G";

? ? if([phoneType? isEqualToString:@"iPhone1,2"])? return@"iPhone 3G";

? ? if([phoneType? isEqualToString:@"iPhone2,1"])? return @"iPhone 3GS";

? ? if([phoneType? isEqualToString:@"iPhone3,1"])? return@"iPhone 4";

? ? if([phoneType? isEqualToString:@"iPhone3,2"])? return@"iPhone 4";

? ? if([phoneType? isEqualToString:@"iPhone3,3"])? return@"iPhone 4";

? ? if([phoneType? isEqualToString:@"iPhone4,1"])? return@"iPhone 4s";

? ? if([phoneType? isEqualToString:@"iPhone5,1"])? return@"iPhone 5";

? ? if([phoneType? isEqualToString:@"iPhone5,2"])? return@"iPhone 5";

? ? if([phoneType? isEqualToString:@"iPhone5,3"])? return@"iPhone 5c";

? ? if([phoneType? isEqualToString:@"iPhone5,4"])? return@"iPhone 5c";

? ? if([phoneType? isEqualToString:@"iPhone6,1"])? return@"iPhone 5s";

? ? if([phoneType? isEqualToString:@"iPhone6,2"])? return@"iPhone 5s";

? ? if([phoneType? isEqualToString:@"iPhone7,1"])? return @"iPhone 6 Plus";

? ? if([phoneType? isEqualToString:@"iPhone7,2"])? return@"iPhone 6";

? ? if([phoneType? isEqualToString:@"iPhone8,1"])? return@"iPhone 6s";

? ? if([phoneType? isEqualToString:@"iPhone8,2"])? return @"iPhone 6s Plus";

? ? if([phoneType? isEqualToString:@"iPhone8,4"])? return@"iPhone SE";

? ? if([phoneType? isEqualToString:@"iPhone12,8"])? return @"iPhone SE (2nd generation)";

? ? if([phoneType? isEqualToString:@"iPhone9,1"])? return@"iPhone 7";

? ? if([phoneType? isEqualToString:@"iPhone9,2"])? return @"iPhone 7 Plus";

? ? if([phoneType? isEqualToString:@"iPhone10,1"]) return @"iPhone 8";

? ? if([phoneType? isEqualToString:@"iPhone10,4"]) return @"iPhone 8";

? ? if([phoneType? isEqualToString:@"iPhone10,2"]) return @"iPhone 8 Plus";

? ? if([phoneType? isEqualToString:@"iPhone10,5"]) return @"iPhone 8 Plus";

? ? if([phoneType? isEqualToString:@"iPhone10,3"]) return @"iPhone X";

? ? if([phoneType? isEqualToString:@"iPhone10,6"]) return @"iPhone X";

? ? if([phoneType? isEqualToString:@"iPhone11,8"]) return @"iPhone XR";

? ? if([phoneType? isEqualToString:@"iPhone11,2"]) return @"iPhone XS";

? ? if([phoneType? isEqualToString:@"iPhone11,4"]) return @"iPhone XS Max";

? ? if([phoneType? isEqualToString:@"iPhone11,6"]) return @"iPhone XS Max";

? ? if([phoneType? isEqualToString:@"iPhone12,1"]) return @"iPhone 11";

? ? if([phoneType? isEqualToString:@"iPhone12,3"]) return @"iPhone 11 Pro";

? ? if([phoneType? isEqualToString:@"iPhone12,5"]) return @"iPhone 11 Pro Max";

? ? if([phoneType? isEqualToString:@"iPhone13,1"]) return @"iPhone 12 mini";

? ? if([phoneType? isEqualToString:@"iPhone13,2"]) return @"iPhone 12";

? ? if([phoneType? isEqualToString:@"iPhone13,3"]) return @"iPhone 12 Pro";

? ? if([phoneType? isEqualToString:@"iPhone13,4"]) return @"iPhone 12 Pro Max";

?? ? returnphoneType;

}