Why doesn't AdMob advertising work?

Question

I set two impressions per minute for each user, but it does not work. Ads continue to appear every time.

they say on the AdMob website: changing the frequency limit, such as changing the header from two to three, can take up to a day to take effect.

But more than five days have passed since I applied the changes to the frequency limit and it does not work? This is how I request ads:

private void requestNewInterstitial() {
        AdRequest adRequest = new   AdRequest.Builder().addTestDevice("XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX").build();
        mInterstitialAd.loadAd(adRequest);
}

I use setTestDevice, therefore, the real ads will not show the application, because impressions on real ads can block me.

Answer 1

Admob , . , . Emulator Real . , .

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, :)