This is a user manual for Sprint PCS Vision® Phone A640 by Samsung®
This manual guides you through getting started with the Samsung A640 Vision phone, including service activation, voicemail setup, and basic navigation of menus and settings. It covers essential functions such as turning the phone on and off, using the battery and charger, and managing contacts, messages, and pictures.
Later sections describe Sprint PCS service features, Bluetooth and Ready Link wireless options, voice command usage, safety precautions, warranty information, and troubleshooting tips. Detailed instructions are provided for updating software, configuring security, and using advanced features like roaming and TTY.
Use the power button as described in the manual.
Follow the "Setting Up Your Voicemail" section to configure voicemail.
Refer to the "Updating Phone Software" chapter for the update procedure.
Turn Bluetooth on and off and use the Bluetooth Settings menu as explained in the Bluetooth section.