This is a Lenovo P851 user manual, which introduces the basic functions, usage methods and precautions of the phone.
This manual covers safety and maintenance guidelines, an overview of the phone’s hardware, and step‑by‑step procedures for battery removal, SIM and memory‑card installation, and initial setup. It also explains basic functions such as turning the phone on/off, making calls, adjusting volume, and using the messaging and media features.
Further sections describe menu navigation, phone settings (screen calibration, sound, call handling, network configuration), service options for China Mobile, tools like camera and calculator, a troubleshooting FAQ, and the technical parameters of the device. This manual is written in Chinese.
The manual provides a section titled “电池的拆卸和安装” that explains the battery removal and installation steps.
Refer to the “SIM 的插入” section for instructions on inserting the SIM card.
The procedure is described in the “电话的开/关” section of the manual.
The steps for dialing a call are covered in the “拨打电话” section.