After updating unity to 2020.3.33 my google play services not logged in.

Solve this problem by updating play services plugin from v0.10 to v0.11.

Now login is work but login prompt is not display on top on the screen, why ? my code is :

i try with Social :-

 Social.localUser.Authenticate((bool success) => {
                 if (success)
                 {
                     isUserSignIn = true;
 
                     if (PlayerPrefs.HasKey("HighScore") && PlayerPrefs.GetInt("HighScore") >= 50)
                     {
                         OnAddScoreToLeaderBorad(PlayerPrefs.GetInt("HighScore"));
                     }
                 }
                 else
                 {
                     isUserSignIn = false;
                 }
             });

And also try with PlayGamesPlatform :-

 PlayGamesPlatform.Instance.Authenticate((success) =>
             {
                 switch (success)
                 {
                     case SignInStatus.Success:
                         isUserSignIn = true;
 
                         if (PlayerPrefs.HasKey("HighScore") && PlayerPrefs.GetInt("HighScore") >= 50)
                         {
                             OnAddScoreToLeaderBorad(PlayerPrefs.GetInt("HighScore"));
                         }
                         break;
                     default:
                         isUserSignIn = false;
                         Debug.Log("log - - - " + success);
                         break;
                 }
             });