IPhone's "Book" app supports e-book files in PDF and EPUB formats. We can synchronize these two formats of files to iPhone and iPad for reading through iCloud cloud disk. For example, just tap EPUB ebook in the File app of iPhone and iPad, and the Book app will automatically open for reading.

iPhone

IPhone is a series of mobile phones with iOS operating system released by AppleInc. As of April 20021year, Apple Inc has released 24 mobile phone products.

First generation: iPhone, latest version: iPhone 13mini, iPhone 13, iPhone 13Pro, iPhone 13Pro, Max；; The mute button of iPhone series products is on the left side of the front of the device; Before the iPhone5, this model used a 30-pin (that is, 30-pin) interface, and after the iPhone5 (inclusive), this product used a Lightning interface.

Before iPhoneX, the Home button was configured; After iPhoneX (inclusive), the physical Home key was cancelled. IPhone series models have been equipped with AppleSilicon self-developed chips since iPhone4.

TouchID first appeared on the iPhone5s; IPhone6s and iPhone6sPlus added 3DTouch touch control on the screen for the first time; Wireless charging first appeared on iPhone8 and iPhone8Plus models, and Qi(Chee) wireless charging standard was adopted.