This is the user manual of SCH-X339 phone
This manual covers the basic operation of the SCH‑X339, including how to power the device on and off, use the keypad, navigate menus, and make or receive calls. It also explains the various input methods such as English, numeric, and symbol keyboards, and describes the functions of the service indicator lights and icons.
Additional sections address safety precautions, proper use of accessories and battery, packaging contents, and detailed descriptions of the phone’s hardware components, display, background lighting, and RF terminology. The guide emphasizes safe usage in vehicles, aircraft, and medical environments, and provides instructions for emergency calls and device maintenance. This manual is written in Chinese.
No, you should not use the phone while driving; stop the vehicle before using it.
The phone must not get water; keep it dry at all times.
Use only Samsung‑provided accessories and battery; non‑Samsung parts may damage the device.