Admob Ad Failed To Load : 3

I am developing an android app , I want to show banner ads in my app .My previous apps works correctly and the ads are shown . When I create my new app ads did not show even in the

Solution 1:

You just need to wait 3-5 days.

Solution 2:

You can check this link

It simply says that your code is correct. The issue is that AdMob does not always have an ad to return for every request. This may happen particularly if you have just registered your AdMob publisher ID, as it takes some time and multiple requests before the new ID starts returning ads.

Wait for some time may be you have just created you ad id's, but if this is not the case then try changing app package name i.e application ID

How to Change Android App Package Name?

1. To change Package name of an android app, go to the Project window, right click on the app, then select Open Module Settings,
2. A new window will appear, select the Flavours tab in the window. this is where we will change the app package name i.e application id renaming it to anything just follow the syntax

Solution 3:

Actually i couldnt understand the solution, if you change the package name in code, you should also change the app in play console because google wants all the releases might have same package name. Did you create new app in console? @Sh R S

Solution 4:

If you are getting this error code 3, then your code is correct. The issue is that AdMob does not always have an ad to return for every request. ... Another reason your fill rate may be low is that you don't have AdSense backfill enabled, or you have filtered out some ads. Check your app settings to see if that is the case

Solution 5:

My problem was solved by changing the package name by:

1- right click in the project

2- android tools

3- rename application package

check the manifest to make sure that the package name was changed

then :

project---> clean