Hi @Jani!
Welcome to community!
Unfortunately, there is no way to disable the 30 day limitation with offline content on your daughter's mobile device. Since Pandora is a US based company, she would need to be in the US in order to refresh the connection with Pandora.
May I ask if she's in Africa on a leisure trip or work, such as military service? There are certain exceptions for listeners who are enrolled in military service and are stationed out of the country.
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