DOOV S668 phone has a SAR value of 0.084W/kg, supports GSM network, and is equipped with SIM card slots, USB interface, MP3/MP4 players and other functions
This manual provides safety guidelines, such as avoiding phone use while driving and following local regulations in hazardous areas. It also explains how to install the SIM card, manage resources, and use built‑in features like emergency calls and earphone connections.
Additional sections describe proper handling, charging, and maintenance to ensure long service life, as well as warranty information and troubleshooting tips. This manual is written in Chinese.
No, the manual advises not to use the phone while driving and to stop the vehicle before using it.
Insert the SIM card according to the instructions in the "SIM 的安装" section of the manual.
Keep the phone dry, avoid extreme temperatures, and store it away from chemicals or liquids.