//需要#import "sys/utsname.h"

參考維基百科

- (NSString*)deviceVersion

{

struct utsname systemInfo;

uname(&systemInfo);

NSString*platform = [NSString stringWithCString:systemInfo.machine encoding:NSUTF8StringEncoding];

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

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

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

if([platform isEqualToString:@"iPhone4,1"])return@"iPhone 4S";

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

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

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

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

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

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

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

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

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:@"iPhone9,3"])return@"iPhone 7";

return platform;

}