This document is a user manual for a certain mobile phone product, which mainly introduces the basic functions, operation methods and precautions of the mobile phone
The BenQ E53 user manual provides detailed safety precautions, including keeping the phone at least 20 cm away from pacemakers and avoiding high‑volume headphone use. It also explains Bluetooth setup, default device name, and how to manage connections securely.
Instructions cover SIM and battery installation, power management, call and messaging functions, USB connectivity, and a comprehensive FAQ section. The final pages list technical specifications, warranty information, and regulatory notices. This manual is written in Chinese.
| Model | E53 |
|---|---|
| Rated Voltage / Frequency | 3.7 V, GSM 900 MHz, DCS 1800 MHz, PCS 1900 MHz, WCDMA 2100 MHz |
| Maximum Transmit Power | GSM 2 W, DCS 1 W, PCS 1 W, WCDMA 0.25 W |
The factory default Bluetooth name is "E53".
Keep the phone at least 20 cm (9 inches) away from a pacemaker.
The battery should not be removed; disassembly voids the warranty.
Set the volume to a safe level and avoid prolonged high‑volume listening.