In case you've finished a lesson but the next one doesn't unlock, please try to log out and log in again.
On the web version, it may show a Mimo Max message when you click on a chapter. This means you require an active Mimo Max subscription to access it. You can learn more about our subscription tiers and their perks in this article.
If you have the necessary subscription and the issue persists, please submit a request. We'll get back to you as soon as possible.