This document provides information on the safety precautions, appearance, and usage of the EF81 mobile phone produced by BenQ Mobile GmbH & Co. OHG.
This manual covers safety precautions, handling, and regulatory information for the BenQ‑Siemens EF81 mobile phone. It explains how to charge the device, replace the battery, and dispose of the phone responsibly.
The guide also details the phone’s hardware layout, key functions, and software features such as calling, messaging, internet browsing, camera operation, Bluetooth connectivity, and various built‑in applications.
| Battery type | Original, 100% mercury‑free |
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Plug the supplied power adapter into an easily accessible AC mains socket, connect it to the phone, and unplug the charger after the battery is fully charged.
Keep at least 20 cm (9 inches) between the phone and any pacemaker or hearing aid to avoid interference.