Huawei B890-53 User Manual

Copyright © Huawei Technologies Co., Ltd. 2013. All rights reserved.

No part of this document may be reproduced or transmitted in any form or by any
means without prior written consent of Huawei Technologies Co., Ltd.
The product described in this manual may include copyrighted software of Huawei
Technologies Co., Ltd. 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 under licenses.

Trademarks and Permissions

, , and are trademarks or registered trademarks of Huawei

Technologies Co., Ltd.
LTE is a trademark of ETSI.
Other trademarks, product, service and company names mentioned are 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 local network, and 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
you purchase.

Huawei Technologies Co., Ltd. reserves the right to change or modify any
information or specifications contained in this manual without prior notice or
obligation.

NO WARRANTY

THE 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 CASE
SHALL HUAWEI TECHNOLOGIES CO., LTD. BE LIABLE FOR ANY SPECIAL,
INCIDENTAL, INDIRECT, OR CONSEQUENTIAL DAMAGES, OR LOST PROFITS,
BUSINESS, REVENUE, DATA, GOODWILL OR ANTICIPATED SAVINGS.

Import and Export Regulations

Customers shall comply with all applicable export or import laws and regulations
and will 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.

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Safety Information

This section contains important information pertaining to the operating instructions of your
device. It also contains information about how to use the device safely. Read this
information carefully before using your device.

Electronic Device

Do not use your device if using your device is prohibited. Do not use the device when
using your device causes danger or interference with electronic devices.

Medical Device

 Follow rules and regulations set forth by hospitals and health care facilities. Do not use

your device when using the device is prohibited.

 Some wireless devices may affect the performance of hearing aids or pacemakers. For

any such problems, consult your service provider.

 If you are using an electronic medical device, consult the doctor or the device

manufacturer to confirm whether radio waves affect the operation of this device.

Potentially Explosive Atmosphere

Do not use your device in any area with a potentially explosive atmosphere, and comply
with all signs and instructions. Areas that may have potentially explosive atmospheres
include the areas where you would normally be advised to turn off your vehicle engine.
Triggering of sparks in such areas could cause an explosion or a fire, resulting in bodily
injuries or even deaths. Do not use your device at refueling points such as service stations.
Comply with restrictions on the use of radio equipment in fuel depots, storage, and
distribution areas, and chemical plants. In addition, adhere to restrictions in areas where
blasting operations are in progress. Before using the device, watch out for areas that have
potentially explosive atmospheres that are often, but not always, clearly marked. Such
locations include areas below the deck on boats, chemical transfer or storage facilities,
and areas where the air contains chemicals or particles such as grain, dust, or metal
powders. Ask the manufacturers of vehicles using liquefied petroleum gas (such as
propane or butane) whether this device can be safely used in their vicinity.

Traffic Security

 Observe local laws and regulations while using the device. To prevent accidents, do not

use your wireless device while driving.

 RF signals may affect electronic systems of motor vehicles. For more information,

consult the vehicle manufacturer.

 In a motor vehicle, do not place the device over the air bag or in the air bag deployment

area. Otherwise, the device may hurt you owing to the strong force when the air bag
inflates.

 Do not use your device while flying in an aircraft and before boarding an aircraft. Using

wireless devices in an aircraft may cause danger to the operation of the aircraft and
disrupt the wireless telephone network. It may also be considered illegal.

Operating Environment

 Do not use or charge the device in dusty, damp, and dirty places or places with

magnetic fields. Otherwise, it may result in a malfunction of the circuit.

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