Checking what carrier you're using

CarrierChecker.m

//
//  CarrierChecker.m
//  RagunanZoo
//
//  Created by Nanang Rafsanjani on 8/26/15.
//  Copyright (c) 2015 Onebit. All rights reserved.
//

#import "CarrierChecker.h"
#import <CoreTelephony/CTTelephonyNetworkInfo.h>
#import <CoreTelephony/CTCarrier.h>
#import "Macros.h"

@implementation CarrierChecker

+ (BOOL)isUsingIndosat {
    CTTelephonyNetworkInfo *netinfo = [[CTTelephonyNetworkInfo alloc] init];
    CTCarrier *carrier = [netinfo subscriberCellularProvider];
    
    DebugLog(@"Mobile Country Code: %@", [carrier mobileCountryCode]);
    DebugLog(@"Mobile Network Code: %@", [carrier mobileNetworkCode]);
    DebugLog(@"Mobile Network Name: %@", [carrier carrierName]);
    
    //mcc 501 = indonesia
    //mnc 01 = Indosat
    //https://en.wikipedia.org/wiki/Mobile_country_code
    return [[carrier mobileCountryCode] isEqualToString:@"510"] && [[carrier mobileNetworkCode] isEqualToString:@"01"];
}

@end