Nokia 640 User Manual

Electronic user’s guide released subject to "Nokia User’s Guides Terms
and Conditions, 7th June, 1998"
User guide
9352286
Issue 3

Nokia 640 Specifications

General

Display Type	IPS LCD
RAM	1 GB
Internal Storage	8 GB
Battery	2500 mAh
Network	GSM / HSPA / LTE
Operating System	Windows Phone 8.1
SIM	Micro-SIM
Dimensions	141.3 x 72.2 x 8.8 mm
Weight	145 g
Colors	Black, White, Orange

Summary

1. Using your phone

List of keys and display indicators

2. Call functions

Making a call

Step-by-step guide on how to initiate and conduct a phone call.

International calls

3. Using the menu

List of menu functions

A comprehensive list of all menu options and their locations within the phone.

2 Messages (Menu 2)

Inbox (Menu 2 1) Reading a text message

How to access and read incoming text messages.

Outbox (Menu 2 2) Sending a message and Write messages (Menu 2 3)

Message settings (Menu 2 4)

3 Call register (Menu 3)

4 Settings (Menu 4)

Call settings (Menu 4 1)

Phone settings (Menu 4 2)

Security settings (Menu 4 3)

7 Clock (Menu 7)

Alarm clock (Menu 7 1)

4. Reference Information

Using the batteries

Charging and discharging the battery

Notes for using the batteries:

Care and maintenance

Important safety information

Traffic safety

Safety guidelines for using the phone while driving.

Pacemakers

Precautions for users with pacemakers due to RF signals.

Other medical devices

Precautions regarding interference with medical equipment.

Potentially explosive atmospheres

Safety instructions for areas with explosive atmospheres.

Emergency calls