When we open the e-book, we first click the Settings button in the upper right corner of the screen, as shown in the figure.

After the drop-down menu pops up, click "Settings".

The setting interface appears, and we select WIFI.

Pop-up dialog box, there will be a WIFI signal around, we choose one, enter the password to connect, and the wireless network of e-books will be connected.

At this time, we choose the shopping cart logo at the top and enter the Amazon online bookstore.

Most online bookstores charge fees, and those who charge can be bound to Alipay for payment. There are many free books, which we can download and watch by clicking "Free Books".