所有设备型号官网地址：
https://www.theiphonewiki.com/wiki/Models
或
https://gist.github.com/adamawolf/3048717
#import
+ (NSString *)deviceType
{
struct utsname systemInfo;
uname(&systemInfo);
NSString *platform = [NSString stringWithCString:systemInfo.machine encoding:NSASCIIStringEncoding];
//------------------------------iPhone---------------------------
if ([platform isEqualToString:@"iPhone1,1"]) return @"iPhone 2G";
if ([platform isEqualToString:@"iPhone1,2"]) return @"iPhone 3G";
if ([platform isEqualToString:@"iPhone2,1"]) return @"iPhone 3GS";
if ([platform isEqualToString:@"iPhone3,1"] ||
[platform isEqualToString:@"iPhone3,2"] ||
[platform isEqualToString:@"iPhone3,3"]) return @"iPhone 4";
if ([platform isEqualToString:@"iPhone4,1"]) return @"iPhone 4S";
if ([platform isEqualToString:@"iPhone5,1"] ||
[platform isEqualToString:@"iPhone5,2"]) return @"iPhone 5";
if ([platform isEqualToString:@"iPhone5,3"] ||
[platform isEqualToString:@"iPhone5,4"]) return @"iPhone 5c";
if ([platform isEqualToString:@"iPhone6,1"] ||
[platform isEqualToString:@"iPhone6,2"]) return @"iPhone 5s";
if ([platform isEqualToString:@"iPhone7,2"]) return @"iPhone 6";
if ([platform isEqualToString:@"iPhone7,1"]) return @"iPhone 6 Plus";
if ([platform isEqualToString:@"iPhone8,1"]) return @"iPhone 6s";
if ([platform isEqualToString:@"iPhone8,2"]) return @"iPhone 6s Plus";
if ([platform isEqualToString:@"iPhone8,4"]) return @"iPhone SE";
if ([platform isEqualToString:@"iPhone9,1"] ||
[platform isEqualToString:@"iPhone9,3"]) return @"iPhone 7";
if ([platform isEqualToString:@"iPhone9,2"] ||
[platform isEqualToString:@"iPhone9,4"]) return @"iPhone 7 Plus";
if ([platform isEqualToString:@"iPhone10,1"] ||
[platform isEqualToString:@"iPhone10,4"]) return @"iPhone 8";
if ([platform isEqualToString:@"iPhone10,2"] ||
[platform isEqualToString:@"iPhone10,5"]) return @"iPhone 8 Plus";
if ([platform isEqualToString:@"iPhone10,3"] ||
[platform isEqualToString:@"iPhone10,6"]) return @"iPhone X";
if ([platform isEqualToString:@"iPhone11,8"]) return @"iPhone XR";
if ([platform isEqualToString:@"iPhone11,2"]) return @"iPhone XS";
if ([platform isEqualToString:@"iPhone11,4"] ||
[platform isEqualToString:@"iPhone11,6"]) return @"iPhone XS Max";
if ([platform isEqualToString:@"iPhone12,1"]) return @"iPhone 11";
if ([platform isEqualToString:@"iPhone12,3"]) return @"iPhone 11 Pro";
if ([platform isEqualToString:@"iPhone12,5"]) return @"iPhone 11 Pro Max";
if ([platform isEqualToString:@"iPhone12,8"]) return @"iPhone SE 2nd Gen";
if ([platform isEqualToString:@"iPhone13,1"]) return @"iPhone 12 mini";
if ([platform isEqualToString:@"iPhone13,2"]) return @"iPhone 12";
if ([platform isEqualToString:@"iPhone13,3"]) return @"iPhone 12 Pro";
if ([platform isEqualToString:@"iPhone13,4"]) return @"iPhone 12 Pro Max";
//------------------------------iPad--------------------------
if ([platform isEqualToString:@"iPad1,1"]) return @"iPad";
if ([platform isEqualToString:@"iPad2,1"] ||
[platform isEqualToString:@"iPad2,2"] ||
[platform isEqualToString:@"iPad2,3"] ||
[platform isEqualToString:@"iPad2,4"]) return @"iPad 2";
if ([platform isEqualToString:@"iPad3,1"] ||
[platform isEqualToString:@"iPad3,2"] ||
[platform isEqualToString:@"iPad3,3"]) return @"iPad 3";
if ([platform isEqualToString:@"iPad3,4"] ||
[platform isEqualToString:@"iPad3,5"] ||
[platform isEqualToString:@"iPad3,6"]) return @"iPad 4";
if ([platform isEqualToString:@"iPad6,11"] ||
[platform isEqualToString:@"iPad6,12"]) return @"iPad 5";
if ([platform isEqualToString:@"iPad7,5"] ||
[platform isEqualToString:@"iPad7,6"]) return @"iPad 6";
if ([platform isEqualToString:@"iPad7,11"] ||
[platform isEqualToString:@"iPad7,12"]) return @"iPad 7";
if ([platform isEqualToString:@"iPad11,6"] ||
[platform isEqualToString:@"iPad11,7"]) return @"iPad 8";
//------------------------------iPad Pro-----------------------
if ([platform isEqualToString:@"iPad6,3"] ||
[platform isEqualToString:@"iPad6,4"]) return @"iPad Pro 9.7-inch";
if ([platform isEqualToString:@"iPad6,7"] ||
[platform isEqualToString:@"iPad6,8"]) return @"iPad Pro 12.9-inch";
if ([platform isEqualToString:@"iPad7,1"] ||
[platform isEqualToString:@"iPad7,2"]) return @"iPad Pro 12.9-inch 2";
if ([platform isEqualToString:@"iPad7,3"] ||
[platform isEqualToString:@"iPad7,4"]) return @"iPad Pro 10.5-inch";
if ([platform isEqualToString:@"iPad8,1"] ||
[platform isEqualToString:@"iPad8,2"]) ||
[platform isEqualToString:@"iPad8,3"]) ||
[platform isEqualToString:@"iPad8,4"]) return @"iPad Pro 11 inch";
if ([platform isEqualToString:@"iPad8,9"] ||
[platform isEqualToString:@"iPad8,10"]) return @"iPad Pro 11 inch 2";
if ([platform isEqualToString:@"iPad8,5"] ||
[platform isEqualToString:@"iPad8,6"] ||
[platform isEqualToString:@"iPad8,7"] ||
[platform isEqualToString:@"iPad8,8"]) return @"iPad Pro 12.9 inch 3";
if ([platform isEqualToString:@"iPad8,11"] ||
[platform isEqualToString:@"iPad8,12"]) return @"iPad Pro 12.9 inch 4";
//------------------------------iPad Air-----------------------
if ([platform isEqualToString:@"iPad4,1"] ||
[platform isEqualToString:@"iPad4,2"] ||
[platform isEqualToString:@"iPad4,3"]) return @"iPad Air";
if ([platform isEqualToString:@"iPad5,3"] ||
[platform isEqualToString:@"iPad5,4"]) return @"iPad Air 2";
if ([platform isEqualToString:@"iPad11,3"] ||
[platform isEqualToString:@"iPad11,4"]) return @"iPad Air 3";
if ([platform isEqualToString:@"iPad13,1"] ||
[platform isEqualToString:@"iPad13,2"]) return @"iPad Air 4";
//------------------------------iPad Mini-----------------------
if ([platform isEqualToString:@"iPad2,5"] ||
[platform isEqualToString:@"iPad2,6"] ||
[platform isEqualToString:@"iPad2,7"]) return @"iPad mini";
if ([platform isEqualToString:@"iPad4,4"] ||
[platform isEqualToString:@"iPad4,5"] ||
[platform isEqualToString:@"iPad4,6"]) return @"iPad mini 2";
if ([platform isEqualToString:@"iPad4,7"] ||
[platform isEqualToString:@"iPad4,8"] ||
[platform isEqualToString:@"iPad4,9"]) return @"iPad mini 3";
if ([platform isEqualToString:@"iPad5,1"] ||
[platform isEqualToString:@"iPad5,2"]) return @"iPad mini 4";
if ([platform isEqualToString:@"iPad11,1"] ||
[platform isEqualToString:@"iPad11,2"]) return @"iPad mini 5";
//------------------------------iTouch------------------------
if ([platform isEqualToString:@"iPod1,1"]) return @"iTouch";
if ([platform isEqualToString:@"iPod2,1"]) return @"iTouch2";
if ([platform isEqualToString:@"iPod3,1"]) return @"iTouch3";
if ([platform isEqualToString:@"iPod4,1"]) return @"iTouch4";
if ([platform isEqualToString:@"iPod5,1"]) return @"iTouch5";
if ([platform isEqualToString:@"iPod7,1"]) return @"iTouch6";
if ([platform isEqualToString:@"iPod9,1"]) return @"iTouch7";
//------------------------------Samulitor-------------------------------------
if ([platform isEqualToString:@"i386"] ||
[platform isEqualToString:@"x86_64"]) return @"iPhone Simulator";
return @"Unknown";
}