Real ads show only two times but fake ads show multiple times on android device

Questions & Answers
1

, using System.Collections;
using System.Collections.Generic;
using UnityEngine;
#if UNITY_ADS
using UnityEngine.Advertisements;

public class OwnAdManager : MonoBehaviour, IUnityAdsListener
{

    public static OwnAdManager Instance;


    [SerializeField] string AppId, BannerId, InterstitialId, VideoId;

    [SerializeField] bool IsBanner = false, isInterstitial = false, IsVideo = false;

    private float LastAdShowTime = 0f;
    [SerializeField] float Ads_Delay_Time = 0f;
    [SerializeField] bool testMode = false;





    private void Awake()
    {
        if (Instance == null)
        {
            Instance = this;
            DontDestroyOnLoad(gameObject);
        }
    }

    void Start()
    {
        
        Advertisement.Initialize(AppId, testMode);
        LoadVideoAd();
    }


#region ------------------------VideoAD--------------------------

    public void LoadVideoAd()
    {
        Advertisement.Load(VideoId);
    }



    public void ShowVideoAd()
    {
        if (!SaveData.Instance.RemoveAds && IsVideo && LastAdShowTime > Ads_Delay_Time)
        {
            Advertisement.AddListener(this);
            // Check if UnityAds ready before calling Show method:
            if (Advertisement.IsReady(VideoId))
            {
                Advertisement.Show(VideoId);

                LastAdShowTime = 0;

                Invoke(nameof(LoadVideoAd), 5f);
            }
            else
            {
                Debug.Log("Rewarded video is not ready at the moment! Please try again later!");
                LoadVideoAd();
            }
        }

    }

    // Implement IUnityAdsListener interface methods:
    public void OnUnityAdsDidFinish(string surfacingId, ShowResult showResult)
    {
        // Define conditional logic for each ad completion status:
        if (showResult == ShowResult.Finished)
        {
            // Reward the user for watching the ad to completion.

        }
        else if (showResult == ShowResult.Skipped)
        {
            // Do not reward the user for skipping the ad.
        }
        else if (showResult == ShowResult.Failed)
        {
            Debug.LogWarning("The ad did not finish due to an error.");
        }
        Advertisement.RemoveListener(this);
    }

    public void OnUnityAdsReady(string surfacingId)
    {
        // If the ready Ad Unit or legacy Placement is rewarded, show the ad:
        //if (surfacingId == mySurfacingId)
        {
            // Optional actions to take when theAd Unit or legacy Placement becomes ready (for example, enable the rewarded ads button)
        }
    }

    public void OnUnityAdsDidError(string message)
    {
        // Log the error.
        Advertisement.RemoveListener(this);
    }

    public void OnUnityAdsDidStart(string surfacingId)
    {
        // Optional actions to take when the end-users triggers an ad.
    }

    // When the object that subscribes to ad events is destroyed, remove the listener:
    public void OnDestroy()
    {
        Advertisement.RemoveListener(this);
    }

#endregion


#region -----------------BannerAD--------------------------

    public void RequestMainMenuBanner()
    {
        if (!SaveData.Instance.RemoveAds)
        {
            if (Advertisement.Banner.isLoaded)
            {
                Advertisement.Banner.SetPosition(BannerPosition.BOTTOM_CENTER);
                Advertisement.Banner.Show(BannerId);
            }
            else
            {
                Advertisement.Banner.Load();
            }
        }
    }


    public void HideMainMenuBanner()
    {
        if (!Advertisement.Banner.isLoaded)
            Advertisement.Banner.Hide(false);
    }


#endregion


#region  ----------------InterstitialAd-------------------

    public void LoadInterstitialAd()
    {
        Advertisement.Load(InterstitialId);
    }

    public void ShowInterstitialAd()
    {
        if (!SaveData.Instance.RemoveAds)
        {
            // Check if UnityAds ready before calling Show method:
            if (Advertisement.IsReady(InterstitialId))
            {
                Advertisement.Show(InterstitialId);
                // Replace mySurfacingId with the ID of the placements you wish to display as shown in your Unity Dashboard.

                LoadInterstitialAd();
            }
            else
            {

                LoadInterstitialAd();
                Debug.Log("Interstitial ad not ready at the moment! Please try again later!");
            }
        }
    }

#endregion

    private void Update()
    {
        LastAdShowTime += Time.deltaTime;
    }


    public void PermanentRemoveAds()
    {
        SaveData.Instance.RemoveAds = true;
    }
}

#endif
2

Same problem Here!!
I tried everything like if the ad didn’t load I try to load it again but nothing new happened!!