//导入头文件
#import "sys/utsname.h"

//设备型号
+ (NSString *)deviceVersion
{
    struct utsname systemInfo;
    uname(&systemInfo);
    NSString *deviceString = [NSString stringWithCString:systemInfo.machine encoding:NSUTF8StringEncoding];
    //Apple TV
    if ([deviceString isEqualToString:@"AppleTV2,1"])     return @"Apple TV 2";
    if ([deviceString isEqualToString:@"AppleTV3,1"]||
        [deviceString isEqualToString:@"AppleTV3,2"])     return @"Apple TV 3";
    if ([deviceString isEqualToString:@"AppleTV5,3"])     return @"Apple TV 4";
    if ([deviceString isEqualToString:@"AppleTV6,2"])     return @"Apple TV 4K";
    
    //Apple Watch
    if ([deviceString isEqualToString:@"Watch1,1"]||
        [deviceString isEqualToString:@"Watch1,2"])     return @"Apple Watch 1";
    if ([deviceString isEqualToString:@"Watch2,6"]||
        [deviceString isEqualToString:@"Watch2,7"])     return @"Apple Watch Series 1";
    if ([deviceString isEqualToString:@"Watch2,3"]||
        [deviceString isEqualToString:@"Watch2,4"])     return @"Apple Watch Series 2";
    if ([deviceString isEqualToString:@"Watch3,1"]||
        [deviceString isEqualToString:@"Watch3,2"]||
        [deviceString isEqualToString:@"Watch3,3"]||
        [deviceString isEqualToString:@"Watch3,4"])     return @"Apple Watch Series 3";
    
    //iPhone
    if ([deviceString isEqualToString:@"iPhone1,1"])    return @"iPhone2G";
    if ([deviceString isEqualToString:@"iPhone1,2"])    return @"iPhone3G";
    if ([deviceString isEqualToString:@"iPhone2,1"])    return @"iPhone3GS";
    if ([deviceString isEqualToString:@"iPhone3,1"]||
        [deviceString isEqualToString:@"iPhone3,2"]||
        [deviceString isEqualToString:@"iPhone3,3"])    return @"iPhone4";
    if ([deviceString isEqualToString:@"iPhone4,1"])    return @"iPhone4S";
    if ([deviceString isEqualToString:@"iPhone5,1"]||
        [deviceString isEqualToString:@"iPhone5,2"])    return @"iPhone5";
    if ([deviceString isEqualToString:@"iPhone5,3"]||
        [deviceString isEqualToString:@"iPhone5,4"])    return @"iPhone5C";
    if ([deviceString isEqualToString:@"iPhone6,1"]||
        [deviceString isEqualToString:@"iPhone6,2"])    return @"iPhone5S";
    if ([deviceString isEqualToString:@"iPhone7,2"])    return @"iPhone6";
    if ([deviceString isEqualToString:@"iPhone7,1"])    return @"iPhone6 Plus";
    if ([deviceString isEqualToString:@"iPhone8,1"])    return @"iPhone6s";
    if ([deviceString isEqualToString:@"iPhone8,2"])    return @"iPhone6s Plus";
    if ([deviceString isEqualToString:@"iPhone8,4"])    return @"iPhoneSE";
    if ([deviceString isEqualToString:@"iPhone9,1"]||
        [deviceString isEqualToString:@"iPhone9,3"])    return @"iPhone7";
    if ([deviceString isEqualToString:@"iPhone9,2"]||
        [deviceString isEqualToString:@"iPhone9,4"])    return @"iPhone7 Plus";
    if ([deviceString isEqualToString:@"iPhone10,1"]||
        [deviceString isEqualToString:@"iPhone10,4"])    return @"iPhone8";
    if ([deviceString isEqualToString:@"iPhone10,2"]||
        [deviceString isEqualToString:@"iPhone10,5"])    return @"iPhone8 Plus";
    if ([deviceString isEqualToString:@"iPhone10,3"]||
        [deviceString isEqualToString:@"iPhone10,6"])    return @"iPhoneX";
    
    //iPod
    if ([deviceString isEqualToString:@"iPod1,1"])      return @"iPod Touch1";
    if ([deviceString isEqualToString:@"iPod2,1"])      return @"iPod Touch2";
    if ([deviceString isEqualToString:@"iPod3,1"])      return @"iPod Touch3";
    if ([deviceString isEqualToString:@"iPod4,1"])      return @"iPod Touch4";
    if ([deviceString isEqualToString:@"iPod5,1"])      return @"iPod Touch5";
    if ([deviceString isEqualToString:@"iPod7,1"])      return @"iPod Touch6";
    
    
    //iPad
    if ([deviceString isEqualToString:@"iPad1,1"])      return @"iPad 1";
    if ([deviceString isEqualToString:@"iPad2,1"]||
        [deviceString isEqualToString:@"iPad2,2"]||
        [deviceString isEqualToString:@"iPad2,3"]||
        [deviceString isEqualToString:@"iPad2,4"])      return @"iPad 2";
    if ([deviceString isEqualToString:@"iPad3,1"]||
        [deviceString isEqualToString:@"iPad3,2"]||
        [deviceString isEqualToString:@"iPad3,3"])      return @"iPad 3";
    if ([deviceString isEqualToString:@"iPad3,4"]||
        [deviceString isEqualToString:@"iPad3,5"]||
        [deviceString isEqualToString:@"iPad3,6"])      return @"iPad 4";
    if ([deviceString isEqualToString:@"iPad4,1"]||
        [deviceString isEqualToString:@"iPad4,2"]||
        [deviceString isEqualToString:@"iPad4,3"])      return @"iPad Air";
    if ([deviceString isEqualToString:@"iPad5,3"]||
        [deviceString isEqualToString:@"iPad5,4"])      return @"iPad Air2";
    if ([deviceString isEqualToString:@"iPad6,3"]||
        [deviceString isEqualToString:@"iPad6,4"])      return @"iPad Pro (9.7)";
    if ([deviceString isEqualToString:@"iPad6,7"]||
        [deviceString isEqualToString:@"iPad6,8"])      return @"iPad Pro (12.9)";
    if ([deviceString isEqualToString:@"iPad6,11"]||
        [deviceString isEqualToString:@"iPad6,12"])     return @"iPad 5";
    if ([deviceString isEqualToString:@"iPad7,1"]||
        [deviceString isEqualToString:@"iPad7,2"])      return @"iPad Pro 2 (12.9)";
    if ([deviceString isEqualToString:@"iPad7,3"]||
        [deviceString isEqualToString:@"iPad7,4"])      return @"iPad Pro (10.5)";
        
        //iPad mini
    if ([deviceString isEqualToString:@"iPad2,5"]||
        [deviceString isEqualToString:@"iPad2,6"]||
        [deviceString isEqualToString:@"iPad2,7"])      return @"iPad mini";
    if ([deviceString isEqualToString:@"iPad4,4"]||
        [deviceString isEqualToString:@"iPad4,5"]||
        [deviceString isEqualToString:@"iPad4,6"])      return @"iPad mini2";
    if ([deviceString isEqualToString:@"iPad4,7"]||
        [deviceString isEqualToString:@"iPad4,8"]||
        [deviceString isEqualToString:@"iPad4,9"])      return @"iPad mini3";
    if ([deviceString isEqualToString:@"iPad5,1"]||
        [deviceString isEqualToString:@"iPad5,2"])      return @"iPad mini4";
    
    //Simulator
    if ([deviceString isEqualToString:@"i386"]||
        [deviceString isEqualToString:@"x86_64"])       return @"Simulator";
    
    return deviceString?:@"";
}

参考文档:https://www.theiphonewiki.com/wiki/Models