Before explaining how Kindle Unlimited works, you should know what we are talking about. Kindle Unlimited is a paid service from Amazon (with a free trial version) that allows you to have a catalog of books that you can read for free. Simply put, Kindle Unlimited would be like Amazon Prime Video but dedicated to books.
If you want to use the Kindle Unlimited service from Android or iOS mobile devices, what I recommend is to subscribe to the service from the Amazon web version for greater convenience.
Once you have signed up for the trial version of this service aimed at reading lovers, you can choose to download the free Amazon Kindle app to read all the books you have borrowed on your mobile device.
The operation of Kindle Unlimited is very simple. All you have to do is enter the service website and register. Once you register, you will have a free trial for the next 30 days so you can see how convincing it is before you start paying for it.
Once you have registered, when you return to the website you will directly access the catalog of available books. And if you are not registered, you will be able to know that a book is part of the catalog because a Kindle Unlimited will appear among the purchase options for the price of 0.0 euros, indicating that if you pay the monthly fee for the service, you will not have to pay for the book separately.
All you have to do is download the book you want to your device and start reading it. Both on your Kindle and in the mobile application, you will see that there is now a section called Kindle Unlimited from where you can access the entire catalog. Once inside, click on the book you want and start downloading it.
Learn more about kindle, solving: Your current digital account setting does not allow you to subscribe for Kindle Unlimited problem