This is a Haier mobile phone user manual, which mainly introduces the basic functions and usage methods of the mobile phone, including installing and removing the battery, SIM card, storage card, turning on and off, making voice calls, answering voice calls, voice calls during the call, emergency calls, mobile phone contacts, SIM card contacts, SMS and MMS, dual card settings, wireless and network, call settings, sound and display, location and security, applications, accounts and synchronization, privacy, SD cards and mobile phone memory, languages and keyboards, date and time, and about the phone
