iOS设备信息

#import <sys/utsname.h> // import it in your header or implementation file.

+ (NSString*) deviceName
{
struct utsname systemInfo;
uname(&systemInfo);

return [NSString stringWithCString:systemInfo.machine
encoding:NSUTF8StringEncoding];
}

NSString *device = [UIDevice currentDevice].model;

[UIDevice currentDevice].systemVersion

[device.identifierForVendor UUIDString]

查看网络状态

CTTelephonyNetworkInfo *netinfo = [[CTTelephonyNetworkInfo alloc] init];
NSString *radio = netinfo.currentRadioAccessTechnology;
if ([radio isEqualToString:CTRadioAccessTechnologyGPRS]) {
networkType = @"2G";
} else if ([radio isEqualToString:CTRadioAccessTechnologyEdge]) {
networkType = @"2G";
} else if ([radio isEqualToString:CTRadioAccessTechnologyWCDMA]) {
networkType = @"3G";
} else if ([radio isEqualToString:CTRadioAccessTechnologyHSDPA]) {
networkType = @"3G";
} else if ([radio isEqualToString:CTRadioAccessTechnologyHSUPA]) {
networkType = @"3G";
} else if ([radio isEqualToString:CTRadioAccessTechnologyCDMA1x]) {
networkType = @"2G";
} else if ([radio isEqualToString:CTRadioAccessTechnologyCDMAEVDORev0]) {
networkType = @"3G";
} else if ([radio isEqualToString:CTRadioAccessTechnologyCDMAEVDORevA]) {
networkType = @"3G";
} else if ([radio isEqualToString:CTRadioAccessTechnologyCDMAEVDORevB]) {
networkType = @"3G";
} else if ([radio isEqualToString:CTRadioAccessTechnologyeHRPD]) {
networkType = @"3G";
} else if ([radio isEqualToString:CTRadioAccessTechnologyLTE]) {
networkType = @"4G";
}