1, iBook e-book import method Download iBook e-book program on iPhone to ensure that your computer has iTunes2. Tick the book option to start iTunes, enter preferences, and check whether the book option in preferences is checked. 3. Connect an Apple phone. Connect iPhone, iPad or iPod touch to your computer with a data cable, and select it on the left side of iTunes to view the book classification. If there is no such classification, restart iTunes and repeat the above steps. 4. Drag the e-book in PDF or ePub format you want to import to this blank area, and iTunes will automatically load the e-book. When finished, you can see the following interface. 5. Synchronize books to your mobile phone. Select the device connected to the left (iPhone, iPad or iPod touch), select "Books" on the right of iTunes, check "Synchronize Books" to continue selecting the e-books we want to synchronize, or select all of them. 6. Wait for the completion and finally click the application in the lower right corner of iTunes, and wait for the iTunes synchronization to be completed. 7. Open iBook and then return to iPhone. Open iBook to find and read the e-book you just imported. 8. Other recommended software TXT reader e-book program. The import method is similar to the above. After downloading the software, use iTunes to operate. Chmate e-book program allows you to read files in CHM format on your mobile phone. Note: If you need to view other types of documents, please download the corresponding application, and the operation steps are the same.