Hi,
Thank you for reaching out to Mobile Ads SDK Support Team.
Please note that there are two ways to get test ads:
Use one of Google's demo ad units .
Use your own ad unit and enable test devices .
To investigate your issue. Could you share your app ID via reply to author option.

[2026-01-13 12:37:20Z GMT] This message is in relation to case "ref:!00D1U01174p.!500Ht01wo2hD:ref" (ADR-00349326)