First, import directly through the PP assistant book function.
Connect the device to the PP assistant, click on the book bar, and the PP assistant will automatically detect whether the device is equipped with iBooks. If not, please follow the prompts to install.
Note: the library bar of PP assistant is imported into iBooks by default (epub and pdf files are supported).
After installing iBooks, click Library Bar-Import-Import File, and then import epub and pdf files.
After importing, directly open iBooks on the device for reading (if you can't view the book file when opening, you can choose the PDF format at the top of iBooks).
Second, import through the third reading tool.
Search for reading tool software download in the PP assistant resource bar, taking QQ reading as an example.
After downloading and installing, click the program at the bottom of the equipment bar-find QQ to read-and click the magnifying glass button on the right to open the document.
When it opens, click the Import button above, and then select Book Import.
After the import is completed, you can open QQ directly on the device to read and find the books you want to read.
Third, import through iTunes.
Start iTunes and click Edit-Preferences to enter.
Locate and check the "Book" item, and then click the "ok" button.
Click the "Books" category in the item list at the top left of the "Library" interface, and then drag the PDF ebook from your computer to the iTunes edit box.
When finished, click the "iPhone" button in the upper right corner of the interface.
Click the "Books" column in the toolbar above, then click the "Synchronize Books" item, and finally click the "Apply" button in the lower right corner.
Click the Erase and Sync button in the dialog box that appears. Then iTunes will help us with the rest of the import work.
Then start iBook on iPhone, and you can see the newly imported PDF e-book.