Hi Manuel Cabrera Tiburcio.,
Thank you for contacting the Mobile Ads SDK Support team.
It is always recommended to keep the SDKs up to date to avoid any issues. As of today, the latest version of Android is 23.3.0.
It is very important to follow AdMob Policies and restrictions as well as Implementation Guidelines to avoid any issues.
Kindly note that our support channel can only best assist you with regards to Google Mobile Ads SDK implementation and technical issues. Should you encounter any difficulties related to the Mobile Ads SDK, then kindly write back to us again.
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Mobile Ads SDK Team |