#import <CommonCrypto/CommonCrypto.h>
+ (NSString *)deviceModelName {
struct utsname systemInfo;
uname(&systemInfo);
NSString *deviceModel = [NSString stringWithCString:systemInfo.machine encoding:NSUTF8StringEncoding];
if ([deviceModel isEqualToString:@"iPhone3,1"]) return @"iPhone 4";
if ([deviceModel isEqualToString:@"iPhone3,2"]) return @"iPhone 4";
if ([deviceModel isEqualToString:@"iPhone3,3"]) return @"iPhone 4";
if ([deviceModel isEqualToString:@"iPhone4,1"]) return @"iPhone 4S";
if ([deviceModel isEqualToString:@"iPhone5,1"]) return @"iPhone 5";
if ([deviceModel isEqualToString:@"iPhone5,2"]) return @"iPhone 5 (GSM+CDMA)";
if ([deviceModel isEqualToString:@"iPhone5,3"]) return @"iPhone 5c (GSM)";
if ([deviceModel isEqualToString:@"iPhone5,4"]) return @"iPhone 5c (GSM+CDMA)";
if ([deviceModel isEqualToString:@"iPhone6,1"]) return @"iPhone 5s (GSM)";
if ([deviceModel isEqualToString:@"iPhone6,2"]) return @"iPhone 5s (GSM+CDMA)";
if ([deviceModel isEqualToString:@"iPhone7,1"]) return @"iPhone 6 Plus";
if ([deviceModel isEqualToString:@"iPhone7,2"]) return @"iPhone 6";
if ([deviceModel isEqualToString:@"iPhone8,1"]) return @"iPhone 6s";
if ([deviceModel isEqualToString:@"iPhone8,2"]) return @"iPhone 6s Plus";
if ([deviceModel isEqualToString:@"iPhone8,4"]) return @"iPhone SE";
if ([deviceModel isEqualToString:@"iPhone9,1"]) return @"iPhone 7";
if ([deviceModel isEqualToString:@"iPhone9,2"]) return @"iPhone 7 Plus";
if ([deviceModel isEqualToString:@"iPhone9,3"]) return @"iPhone 7";
if ([deviceModel isEqualToString:@"iPhone9,4"]) return @"iPhone 7 Plus";
if ([deviceModel isEqualToString:@"iPhone10,1"]) return @"iPhone_8";
if ([deviceModel isEqualToString:@"iPhone10,4"]) return @"iPhone_8";
if ([deviceModel isEqualToString:@"iPhone10,2"]) return @"iPhone_8_Plus";
if ([deviceModel isEqualToString:@"iPhone10,5"]) return @"iPhone_8_Plus";
if ([deviceModel isEqualToString:@"iPhone10,3"]) return @"iPhone_X";
if ([deviceModel isEqualToString:@"iPhone10,6"]) return @"iPhone_X";
if ([deviceModel isEqualToString:@"iPhone11,8"]) return @"iPhone_XR";
if ([deviceModel isEqualToString:@"iPhone11,2"]) return @"iPhone_XS";
if ([deviceModel isEqualToString:@"iPhone11,4"]) return @"iPhone_XS_MAX";
if ([deviceModel isEqualToString:@"iPhone11,6"]) return @"iPhone_XS_MAX";
if ([deviceModel isEqualToString:@"iPod1,1"]) return @"iPod Touch 1G";
if ([deviceModel isEqualToString:@"iPod2,1"]) return @"iPod Touch 2G";
if ([deviceModel isEqualToString:@"iPod3,1"]) return @"iPod Touch 3G";
if ([deviceModel isEqualToString:@"iPod4,1"]) return @"iPod Touch 4G";
if ([deviceModel isEqualToString:@"iPod5,1"]) return @"iPod Touch (5 Gen)";
if ([deviceModel isEqualToString:@"iPad1,1"]) return @"iPad";
if ([deviceModel isEqualToString:@"iPad1,2"]) return @"iPad 3G";
if ([deviceModel isEqualToString:@"iPad2,1"]) return @"iPad 2 (WiFi)";
if ([deviceModel isEqualToString:@"iPad2,2"]) return @"iPad 2";
if ([deviceModel isEqualToString:@"iPad2,3"]) return @"iPad 2 (CDMA)";
if ([deviceModel isEqualToString:@"iPad2,4"]) return @"iPad 2";
if ([deviceModel isEqualToString:@"iPad2,5"]) return @"iPad Mini (WiFi)";
if ([deviceModel isEqualToString:@"iPad2,6"]) return @"iPad Mini";
if ([deviceModel isEqualToString:@"iPad2,7"]) return @"iPad Mini (GSM+CDMA)";
if ([deviceModel isEqualToString:@"iPad3,1"]) return @"iPad 3 (WiFi)";
if ([deviceModel isEqualToString:@"iPad3,2"]) return @"iPad 3 (GSM+CDMA)";
if ([deviceModel isEqualToString:@"iPad3,3"]) return @"iPad 3";
if ([deviceModel isEqualToString:@"iPad3,4"]) return @"iPad 4 (WiFi)";
if ([deviceModel isEqualToString:@"iPad3,5"]) return @"iPad 4";
if ([deviceModel isEqualToString:@"iPad3,6"]) return @"iPad 4 (GSM+CDMA)";
if ([deviceModel isEqualToString:@"iPad4,1"]) return @"iPad Air (WiFi)";
if ([deviceModel isEqualToString:@"iPad4,2"]) return @"iPad Air (Cellular)";
if ([deviceModel isEqualToString:@"iPad4,4"]) return @"iPad Mini 2 (WiFi)";
if ([deviceModel isEqualToString:@"iPad4,5"]) return @"iPad Mini 2 (Cellular)";
if ([deviceModel isEqualToString:@"iPad4,6"]) return @"iPad Mini 2";
if ([deviceModel isEqualToString:@"iPad4,7"]) return @"iPad Mini 3";
if ([deviceModel isEqualToString:@"iPad4,8"]) return @"iPad Mini 3";
if ([deviceModel isEqualToString:@"iPad4,9"]) return @"iPad Mini 3";
if ([deviceModel isEqualToString:@"iPad5,1"]) return @"iPad Mini 4 (WiFi)";
if ([deviceModel isEqualToString:@"iPad5,2"]) return @"iPad Mini 4 (LTE)";
if ([deviceModel isEqualToString:@"iPad5,3"]) return @"iPad Air 2";
if ([deviceModel isEqualToString:@"iPad5,4"]) return @"iPad Air 2";
if ([deviceModel isEqualToString:@"iPad6,3"]) return @"iPad Pro 9.7";
if ([deviceModel isEqualToString:@"iPad6,4"]) return @"iPad Pro 9.7";
if ([deviceModel isEqualToString:@"iPad6,7"]) return @"iPad Pro 12.9";
if ([deviceModel isEqualToString:@"iPad6,8"]) return @"iPad Pro 12.9";
if ([deviceModel isEqualToString:@"i386"]) return @"Simulator";
if ([deviceModel isEqualToString:@"x86_64"]) return @"Simulator";
if ([deviceModel isEqualToString:@""]) return [UIDevice currentDevice].model;
return deviceModel;
}