Huawei U3900 User manual

UMTS Mobile Phone

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Legal Notice
Copyright © Huawei Technologies Co., Ltd. 2014.
All rights reserved.
No part of this manual may be reproduced or transmitted in any
form or by any means without prior written consent of Huawei
Technologies Co., Ltd. and its affiliates ("Huawei").
The product described in this manual may include copyrighted
software of Huawei and possible licensors. Customers shall not in
any manner reproduce, distribute, modify, decompile, disassemble,
decrypt, extract, reverse engineer, lease, assign, or sublicense the
said software, unless such restrictions are prohibited by applicable
laws or such actions are approved by respective copyright holders.
Trademarks and Permissions
, , and are trademarks or
registered trademarks of Huawei Technologies Co., Ltd.
The Bluetooth® word mark and logos are registered trademarks
owned by Bluetooth SIG, Inc. and any use of such marks by
Huawei Technologies Co., Ltd. is under license.
Other trademarks, product, service and company names
mentioned may be the property of their respective owners.
Notice
Some features of the product and its accessories described herein
rely on the software installed, capacities and settings of the local

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network, and therefore may not be activated or may be limited by
local network operators or network service providers.
Thus, the descriptions herein may not exactly match the product
or its accessories which you purchase.
Huawei reserves the right to change or modify any information or
specifications contained in this manual without prior notice and
without any liability.
DISCLAIMER
ALL CONTENTS OF THIS MANUAL ARE PROVIDED "AS IS". EXCEPT
AS REQUIRED BY APPLICABLE LAWS, NO WARRANTIES OF ANY
KIND, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
AND FITNESS FOR A PARTICULAR PURPOSE, ARE MADE IN
RELATION TO THE ACCURACY, RELIABILITY OR CONTENTS OF THIS
MANUAL.
TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, IN
NO EVENT SHALL HUAWEI BE LIABLE FOR ANY SPECIAL,
INCIDENTAL, INDIRECT, OR CONSEQUENTIAL DAMAGES, OR LOSS
OF PROFITS, BUSINESS, REVENUE, DATA, GOODWILL SAVINGS OR
ANTICIPATED SAVINGS REGARDLESS OF WHETHER SUCH LOSSES
ARE FORSEEABLE OR NOT.
THE MAXIMUM LIABILITY (THIS LIMITATION SHALL NOT APPLY TO
LIABILITY FOR PERSONAL INJURY TO THE EXTENT APPLICABLE
LAW PROHIBITS SUCH A LIMITATION) OF HUAWEI ARISING FROM
THE USE OF THE PRODUCT DESCRIBED IN THIS MANUAL SHALL

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BE LIMITED TO THE AMOUNT PAID BY CUSTOMERS FOR THE
PURCHASE OF THIS PRODUCT.
Import and Export Regulations
Customers shall comply with all applicable export or import laws
and regulations and be responsible to obtain all necessary
governmental permits and licenses in order to export, re-export or
import the product mentioned in this manual including the
software and technical data therein.
Privacy Policy
To better understand how we protect your personal information,
please see the privacy policy at
http://consumer.huawei.com/privacy-policy.

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Safety Precaution
Please read these safety precautions carefully before operating
your phone.
Do not crush, throw, or puncture your phone.
Avoid dropping, squeezing, or bending it also.
Your phone is not meant for use in a damp
environment, such as the bathroom. Do not
submerge your phone in liquid of any sort and
avoid getting your phone wet.
Avoid using your mobile phone in areas where it
may cause interference or present a hazard. Follow
local laws and regulations.
Avoid using your phone while driving. Your safety
should always be your top priority.
Follow any rules or regulations in hospitals and
health care facilities. Power off your phone near any
medical apparatus.
Power off your phone in an aircraft. The phone may
interfere with the aircraft's control equipment and
navigation system.
Power off your phone near high-precision electronic
devices. The phone may affect the performance of
these devices.

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Do not attempt to disassemble your phone or its
accessories. Only qualified personnel are allowed to
service or repair the phone.
Do not place your phone or its accessories in
containers with a strong electromagnetic field.
Do not place magnetic storage media near your
phone. Radio waves from the phone may erase the
information stored on them.
Do not expose your phone to extreme temperatures
or use it at a location with flammable materials,
such as a gas station.
Keep your phone and its accessories away from
children. Do not allow young children to use your
phone without adult supervision.
Use only approved batteries and chargers to avoid
the risk of explosions.
Observe any laws or regulations on the use of
wireless devices. Respect the privacy and legal rights
of others when using your phone.
To prevent damage to your phone or your
computer, follow all instructions pertaining to the
USB cable.

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1 Your Phone
1 Earpiece 2 Screen
3 Confirm key 4 Left soft key
5 Camera key 6 Call/Answer key
7 Number keys 8 * key
9 Microphone 10 # key
11 End/Power key 12 Clear/Back key
13 Right soft key 14 Navigation keys
15 External screen 16 Volume key

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17 Charger jack/USB
port 18 Loudspeaker
19 Headset jack 20 Camera
2 Installing the SIM Card and Battery
Before you begin to use your phone, a SIM card must be inserted.
Follow the steps laid out below to insert your SIM card into the
phone.
Power off your phone before attempting to remove the battery or SIM
card.

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3 Inserting the microSD Card
Your phone supports a microSD card of up to 32 GB.
No microSD cards are included in the product package. You can
purchase one separately.
4 Charging the Battery
When the battery icon changes to or the charging animation
becomes static, the battery is fully charged.
If the battery has not been used for a long time or if the battery
power is completely depleted, the charging icon may take
several minutes to appear after you start charging.

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5 Keys and Functions
In this guide, the navigation keys of the phone are indicated by ,
, , , , .
Press To
Select the option displayed in the lower left corner of
the screen.
Select the option displayed in the lower right corner
of the screen.
Dial a number or answer a call.
Access call logs in standby mode.
Power the phone on or off (press and hold the key
for about 3 seconds).
End or reject a call.
Return to standby mode.
Turn the backlight on or off in standby mode.
Start the camera.