This is a user manual for SCH-E319, which introduces the basic functions and usage methods of the phone, including installing SIM cards and batteries, charging, inserting storage cards, turning on or off, accessing the function menu, customizing the phone, locking the phone, locking the UIM card, using basic call functions, sending and viewing messages, inputting text, adding and finding contacts, listening to music, browsing the web, using network services, and using China Telecom services.