Microsoft Lumia 640 Dual SIM User manual

Quick Guide
Lumia 640 Dual SIM
12313 Issue 1 EN RM-1077

For your safety
Read these simple guidelines. Not following them may be
dangerous or against local laws and regulations. For further
info, read the complete user guide.
SWITCH OFF IN RESTRICTED AREAS
Switch the device off when mobile phone use is
not allowed or when it may cause interference or
danger, for example, in aircraft, in hospitals or near
medical equipment, fuel, chemicals, or blasting areas. Obey
all instructions in restricted areas.
ROAD SAFETY COMES FIRST
Obey all local laws. Always keep your hands free
to operate the vehicle while driving. Your first
consideration while driving should be road safety.
INTERFERENCE
All wireless devices may be susceptible to
interference, which could affect performance.
QUALIFIED SERVICE
Only qualified personnel may install or repair this
product.
BATTERIES, CHARGERS, AND OTHER
ACCESSORIES
Use only batteries, chargers, and other accessories
approved by Microsoft Mobile for use with this
device. Third-party chargers that comply with the IEC/EN
62684 standard, and that can connect to your device micro
USB connector, may be compatible. Do not connect
incompatible products.
KEEP YOUR DEVICE DRY
Your device is not water-resistant. Keep it dry.
GLASS PARTS
The device screen is made of glass. This glass can
break if the device is dropped on a hard surface or
receives a substantial impact. If the glass breaks,
do not touch the glass parts of the device or attempt to

remove the broken glass from the device. Stop using the
device until the glass is replaced by qualified service
personnel.
PROTECT YOUR HEARING
To prevent possible hearing damage, do not listen
at high volume levels for long periods. Exercise
caution when holding your device near your ear
while the loudspeaker is in use.
SAR
This device meets RF exposure guidelines when
used either in the normal use position against the
ear or when positioned at least 1.5 centimetres
(5/8 inch) away from the body. The specific maximum SAR
values can be found in the Certification Information (SAR)
section of this user guide. For more info, go to www.sar-
tick.com.
When a carry case, belt clip or other form of device holder is
used for body-worn operation, it should not contain metal
and should provide at least the above-stated separation
distance from the body. Note that mobile devices may be
transmitting even if you are not making a voice call.

Keys and parts
1 Front camera
2Earpiece
3 Volume keys
4 Power/Lock key
5Microphone
6 Micro-USB connector
7 Audio connector AHJ 3.5 mm
8 Camera lens
9 Camera flash
10 Loudspeaker
11 Antenna area
Some of the accessories mentioned in this user
guide, such as charger, headset, or data cable, may
be sold separately.
Avoid touching the antenna area while the antenna
is in use. Contact with antennas affects the
communication quality and may reduce battery life
due to higher power level during operation.

Get started
Before you start using your phone, remove the back
cover and battery to insert the micro-SIM cards (also
known as mini-UICC cards).
Remove the back cover and battery
Make sure the phone is switched off.
1. At the top corner of the phone, put your finger in
the seam between the screen frame and the back
cover. Do not use any sharp tools, as they may
damage the phone.
2. Press the middle of the back cover, bend the cover
open, and remove it.
3. If the battery is in, lift it out.

Insert the SIM and memory card
1. Slide the micro-SIM card into the SIM slot with the
metal contact area down.
2. If you have a second SIM card, slide it into the
SIM2 slot.
3. If you have a memory card, slide the card into the
memory card slot.
It is recommended that you use a fast microSD card
from a well-known manufacturer.
Important: Your device uses a micro-SIM card,
also known as a mini-UICC SIM card. Use only
original micro-SIM cards. Use of incompatible SIM
cards, or use of SIM card adapters, may damage the
card or the device, and may corrupt data stored on
the card.

Replace the battery and back cover
1. Line up the battery contacts, and put the battery
in.
2. Press the bottom edge of the back cover against
the bottom edge of your phone, and snap the cover
into place.
Charge the battery
Plug a compatible charger into a wall outlet, and
connect the micro-USB end to your phone. You can
also charge your phone from a computer with a USB
cable.
If the battery is completely discharged, it may take
up to 20 minutes before the charging indicator is
displayed.

Set up your phone
1. To switch your phone on, press and hold the
power key, and follow the instructions shown on
your phone.
2. When asked, create your Microsoft account if you
don’t have one already, or sign in with your existing
Xbox, Hotmail, or Outlook username and password.
Make sure you remember the credentials for the
Microsoft account you added to your phone.
You need a Microsoft account to back up and
restore your phone, to buy, install, and update apps,
and to access some Microsoft services, such as
OneDrive.
Allow some minutes while your phone installs all its
features.
Tip: If your screen switches off, press the power
key, and drag the lock screen up.

Explore your tiles and apps
The start screen is the main view of your phone. Pin
shortcuts to apps, contacts, browser bookmarks,
and more, and arrange and resize the tiles. Some
tiles may show you notifications and updates.
The apps menu is the home to all your apps. To go
to the apps menu from the start screen, swipe left.
To go back, swipe right.
Tip: To go back to the start screen from any view,
tap . To switch between open apps, tap and hold
, and choose the app you want. To close an app,
tap .
To see more options, such as settings, in an app, tap
at the bottom right corner.