Currently, most mobile phones supported e-book format, including: 1. Kindle format: Kindle is a popular e-book format that allows users to read e-books on the Kindle device. 2 MOBi format: MOBi is a commonly used e-book format that supports reading on a variety of devices, including iPhone, Android, and Windows. EPUB format: EPUB is a universal e-book format that can be read on a variety of devices, including iPhone, Android, and Windows. <strong></strong><strong></strong> It is important to note that different mobile phones support different e-book format, depending on the phone manufacturer and the supported operating system.