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

, 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