Huawei B890 User Manual page 25

Avoid collision, which may lead to device malfunctions, overheating, fire, or

explosion.
If the device is not going to be used for an extended period of time, power it off,

and remove all cables connected to it.
If anything unusual occurs (for example, if the device emits smoke or any

unusual sound or smell), immediately stop using it, power it off, remove all
cables connected to it, and contact an authorized service center.
Do not trample, pull, or excessively bend any cable. Doing so may damage the

cable, causing the device to malfunction.
Before you clean or maintain the device, stop using it, stop all applications,

and disconnect all cables connected to it.
Do not use any chemical detergent, powder, or other chemical agents (such as

alcohol and benzene) to clean the device or accessories. These substances
may cause damage to parts or present a fire hazard. Use a clean, soft, and dry
cloth to clean the device and accessories.
Do not place magnetic stripe cards, such as credit cards and phone cards,

near the device for extended periods of time. Otherwise the magnetic stripe
cards may be damaged.
Do not dismantle or remanufacture the device and its accessories. This voids

the warranty and releases the manufacturer from liability for damage. In case
of damage, contact an authorized service center for assistance or repair.
If the device screen is broken in a collision, immediately stop using the device.

Do not touch or attempt to remove the broken parts. Promptly contact an
authorized service center.
Emergency calls
The availability of emergency calls is subject to your cellular network quality,
service provider policy, and local laws and regulations. Never rely solely on your
device for critical communications like medical emergencies.
Disposal and recycling information
This symbol (with or without a solid bar) on the device, batteries (if
included), and/or the packaging, indicates that the device and its
electrical accessories (for example, a headset, adapter, or cable) and
batteries should not be disposed of as household garbage. These
items should not be disposed of as unsorted municipal waste and
should be taken to a certified collection point for recycling or proper disposal.
For more detailed information about device or battery recycling, contact your
local city office, household waste disposal service, or retail store.
Disposal of the device and batteries (if included) is subject to WEEE Directive
Recast (Directive 2012/19/EU) and Battery Directive (Directive 2006/66/EC). The
purpose of separating WEEE and batteries from other waste is to minimize the
potential environmental impacts and human health risk of any hazardous
substances that may be present.
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