This document is the user manual for Lenovo P639 mobile phone, which introduces the installation, charging, phone parts and button functions, and main functions of the phone.
This manual helps you safely operate the Lenovo P639 smartphone. It covers important safety warnings, proper installation of the battery and SIM card, charging procedures, and general handling precautions such as avoiding use near heat sources, while driving, or on an airplane.
The guide also explains the phone’s input methods, function menu, quick‑access features, and includes a FAQ section and technical parameters. Additional sections address medical‑device safety (e.g., pacemaker distance) and environmental compliance information. This manual is written in Chinese.