In-App Purchase still not working almost a week after release

During tests, in-app purchasing seemed to work well, but after release it just stopped. Afer I press the 'upgrade' button, it asks for my password and then nothing. Not even an error message.

I've browsed StackOverflow for a while and found these questions:

In app purchase does not work when live

In App Purchase not working after it has been approved

I thought I just needed to wait but there was no one who waited more than 48 hours. For me, it's been 120 hours after the release. So I considered it may be something with my code.

My algorithm is based upon thus Ray Wenderlich's tutorial

Firstly, in `applicationDidFinishLaunchingWithOptions: in my app delegate

// In app
[myGuideIAP sharedInstance]; //initialize singleton
[[myGuideIAP sharedInstance] tryLoadingProduct]; //my method to load SKProduct
//SKProduct is stored as a @property in the singleton

Later, in the upgrade view controller, I check and if it didn't load the product, execute the tryloadingProduct once again.

Singleton is initialized the classic way:

+ (myGuideIAP *)sharedInstance {
    static dispatch_once_t once;
    static myGuideIAP * sharedInstance;
    dispatch_once(&once, ^{
        NSSet * productIdentifiers = [NSSet setWithObjects:
        sharedInstance = [[self alloc] initWithProductIdentifiers:productIdentifiers];
    return sharedInstance;

This is what's inside tryLoadingProduct method:

- (void)tryLoadingProduct
    [[myGuideIAP sharedInstance] requestProductsWithCompletionHandler:^(BOOL success, NSArray *products)
        if (success) {
            if (products.count > 0)
                _mProduct = products[0];


When the user tries to purchase, an alert view appears, asking to buy or restore. This is how it's handled

-(void)alertView:(UIAlertView *)alertView willDismissWithButtonIndex:(NSInteger)buttonIndex
    if (buttonIndex == alertView.cancelButtonIndex)
    if (buttonIndex == 0) {
         [[myGuideIAP sharedInstance] buyProduct:[myGuideIAP sharedInstance].mProduct];
    }else if (buttonIndex == 1){
        [[myGuideIAP sharedInstance]restoreCompletedTransactions];

And after that when user hits the "Buy" button this is executed:

- (void)buyProduct:(SKProduct *)product {

    NSLog(@"Buying %@...", product.productIdentifier);

    SKPayment * payment = [SKPayment paymentWithProduct:product];
    [[SKPaymentQueue defaultQueue] addPayment:payment];



Sounds like an entitlements issue, make sure they are set.

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