If you paid for a subscription but a feature is still locked, try these steps:
Confirm that you are using the same Apple Account or Google account used for the purchase.
Open MyTunes Settings and use the available Restore Purchase option.
Check that the subscription is active in the App Store or Google Play.
Close and reopen MyTunes, then install any available app update.
Try the feature again with a stable internet connection.
If the feature is still unavailable, contact MyTunes support through the official support channel. Include the purchase platform, approximate purchase date, account information available in Settings, and a screenshot of the issue. Do not send your password or full payment details.