Hi Ben,
You can set a due date reminder for your advanced checklist items using your desktop browser. You won't be able to set due date reminders from your Android app.
But once you have the due date reminder set using your browser, make sure to allow push notifications on your Trello app in your Android phone so you can receive push notifications on your Android phone, for the checklist items that are assigned to you that are due:
https://support.atlassian.com/trello/docs/mobile-push-notification-settings-for-trello/
I hope this helps, but let us know if you have any questions!
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