NSString* clientModel()
{
NSString *model = [[UIDevice currentDevice] model];
if ([model isEqualToString:@"iPhone1,1"]) return @"iPhone 1G";
if ([model isEqualToString:@"iPhone1,2"]) return @"iPhone 3G";
if ([model isEqualToString:@"iPhone2,1"]) return @"iPhone 3GS";
if ([model isEqualToString:@"iPhone3,1"]) return @"iPhone 4";
if ([model isEqualToString:@"iPhone3,3"]) return @"Verizon iPhone 4";
if ([model isEqualToString:@"iPhone4,1"]) return @"iPhone 4S";
if ([model isEqualToString:@"iPhone5,1"]) return @"iPhone 5 (GSM)";
if ([model isEqualToString:@"iPhone5,2"]) return @"iPhone 5 (GSM+CDMA)";
if ([model isEqualToString:@"iPhone5,3"]) return @"iPhone 5c (GSM)";
if ([model isEqualToString:@"iPhone5,4"]) return @"iPhone 5c (GSM+CDMA)";
if ([model isEqualToString:@"iPhone6,1"]) return @"iPhone 5s (GSM)";
if ([model isEqualToString:@"iPhone6,2"]) return @"iPhone 5s (GSM+CDMA)";
if ([model isEqualToString:@"iPhone7,1"]) return @"iPhone 6 Plus";
if ([model isEqualToString:@"iPhone7,2"]) return @"iPhone 6";
if ([model isEqualToString:@"iPhone8,1"]) return @"iPhone 6s Plus";
if ([model isEqualToString:@"iPhone8,2"]) return @"iPhone 6s";
if ([model isEqualToString:@"iPod1,1"]) return @"iPod Touch 1G";
if ([model isEqualToString:@"iPod2,1"]) return @"iPod Touch 2G";
if ([model isEqualToString:@"iPod3,1"]) return @"iPod Touch 3G";
if ([model isEqualToString:@"iPod4,1"]) return @"iPod Touch 4G";
if ([model isEqualToString:@"iPod5,1"]) return @"iPod Touch 5G";
if ([model isEqualToString:@"iPad1,1"]) return @"iPad";
if ([model isEqualToString:@"iPad2,1"]) return @"iPad 2 (WiFi)";
if ([model isEqualToString:@"iPad2,2"]) return @"iPad 2 (GSM)";
if ([model isEqualToString:@"iPad2,3"]) return @"iPad 2 (CDMA)";
if ([model isEqualToString:@"iPad2,4"]) return @"iPad 2 (WiFi)";
if ([model isEqualToString:@"iPad2,5"]) return @"iPad Mini (WiFi)";
if ([model isEqualToString:@"iPad2,6"]) return @"iPad Mini (GSM)";
if ([model isEqualToString:@"iPad2,7"]) return @"iPad Mini (GSM+CDMA)";
if ([model isEqualToString:@"iPad3,1"]) return @"iPad 3 (WiFi)";
if ([model isEqualToString:@"iPad3,2"]) return @"iPad 3 (GSM+CDMA)";
if ([model isEqualToString:@"iPad3,3"]) return @"iPad 3 (GSM)";
if ([model isEqualToString:@"iPad3,4"]) return @"iPad 4 (WiFi)";
if ([model isEqualToString:@"iPad3,5"]) return @"iPad 4 (GSM)";
if ([model isEqualToString:@"iPad3,6"]) return @"iPad 4 (GSM+CDMA)";
if ([model isEqualToString:@"iPad4,1"]) return @"iPad Air (WiFi)";
if ([model isEqualToString:@"iPad4,2"]) return @"iPad Air (Cellular)";
if ([model isEqualToString:@"iPad4,4"]) return @"iPad Mini 2G (WiFi)";
if ([model isEqualToString:@"iPad4,5"]) return @"iPad Mini 2G (Cellular)";
if ([model isEqualToString:@"iPad5,1"]) return @"iPad Mini 4 (WiFi)";
if ([model isEqualToString:@"iPad5,2"]) return @"iPad Mini 4 (Cellular)";
if ([model isEqualToString:@"iPad6,8"]) return @"iPad Pro";
if ([model isEqualToString:@"i386"]) return @"Simulator";
if ([model isEqualToString:@"x86_64"]) return @"Simulator";
return model;
}