This document is the user manual for China Unicom customized phone Lenovo A820. The manual includes content about safety and maintenance, Lenovo smartphone Q&A, installation and charging, phone key functions, main function guide, Lenovo mobile interconnection products, China Unicom customized services, China Unicom customized phone 3G international roaming, etc.
This user manual covers the installation and charging of the Lenovo A820 smartphone. It details procedures for removing and installing the battery, SIM cards, and memory cards, as well as how to power on and off the device securely.
The document also explains key button functions, major features like dialing and mobile internet services (Lenovo Store, Security), and specific China Unicom customized business applications. It includes a quick reference guide for functions and technical parameters. This manual is written in Chinese.
| Product Name | Lenovo A820 |
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