Admob No fill from ad server - failed to load ad: 3

Question

My issue is that ads are not being displayed at all in my app, test mode or not. I am going to keep this question specific to test mode, and once I get that working I will w

Answer 1

If you create adunit and use it immediately may show this error, try to load ads after 30 minutes or more time.

Answer 2

I had this problem too. It wasn't until I went to Admob.com and "manually" added my app so I could get my "Ad Unit Id". I put this Ad Unit Id string as the argument my adView.setAdUnitId call. Then I installed and opened the "release" APK I generated via Eclipse. File > Export > Export Android Application

Answer 3

In my case I was testing using an emulator and getting the same error. After change to a phone everything works.

Try another test device.

Answer 4

Ads are disabled from Admob server, your code is ok, try to change the package name, and see if ads are displayed. Then contact admob to see the problem.

Answer 5

it's also possible to luck of inventory. I am also face because of of this. failed to load ad : 3

Answer 6

You need to use ID that Google provide for you for current test device. You can find it in logcat, just find something like this:

Ads: Use AdRequest.Builder.addTestDevice("903A70A3D439E256BAED43E65A79928E") to get test ads on this device.