Charger Safety; Battery Safety; Maintenance; Environment Protection - Huawei CM51 Quick Start Manuals

Charger safety

 If you need to connect the device to a USB port to charge it, make sure the USB port is USB-IF certified and that it
conforms to relevant USB-IF standards.
 Ensure that the power adapter meets the requirements of Clause 2.5 in IEC60950-1/EN60950-1 and it is tested and
approved according to national or local standards.

Battery safety

 Do not attempt to disassemble or remanufacture the device, insert foreign objects into it, or immerse or expose it to
water or other liquids. Doing so may lead to fire, explosion, or other hazards.
 Do not drop, squeeze, or pierce the device. If excessive pressure is applied to the device, the device may short circuit
or overheat.
 The device comes with an irremovable, built-in battery. Do not attempt to replace the battery on your own to prevent
the device and battery from being damaged. Go to an authorized Huawei Customer Service Center to replace the
battery.

Maintenance

 Keep the device and its accessories dry. Do not use the external heat source, such as microwave oven or hair dryer,
to dry the device.
 Do not expose the device and its accessories to extreme temperatures as this could cause the device to malfunction,
catch fire, or even explode.
 Before you clean or maintain the device, stop using it, close all apps, and disconnect all cables.
 Do not use any strong chemicals, detergents, or other chemical agents. Use a clean, soft, and dry cloth to clean the
device and its accessories.
 Do not place magnetic stripe cards, such as bank cards, near the device. Otherwise, these cards may be ruined.
 Do not dismantle the device or accessories. This voids the warranty and releases the manufacturer from liability for
damage. In case of any device malfunction, go to an authorized Huawei Customer Service Center for assistance.

Environment protection

 Do not dispose of the device and accessories in normal household refuge.
 Dispose of or recycle your device and accessories according to local laws.
Disposal and recycling information
The crossed-out wheeled-bin symbol on your product, battery, literature or packaging reminds you that all
electronic products and batteries must be taken to separate waste collection points at the end of their
working lives; they must not be disposed of in the normal waste stream with household garbage. It is the
responsibility of the user to dispose of the equipment using a designated collection point or service for
separate recycling of waste electrical and electronic equipment (WEEE) and batteries according to local
laws.
Proper collection and recycling of your equipment helps ensure electrical and electronic equipment (EEE)
waste is recycled in a manner that conserves valuable materials and protects human health and the environment,
improper handling, accidental breakage, damage, and/or improper recycling at the end of its life may be harmful for
health and environment. For more information about where and how to drop off your EEE waste, please contact your
local authorities, retailer or household waste disposal service or visit the website http://consumer.huawei.com/en/.
Reduction of hazardous substances
This device and any electrical accessories are compliant with local applicable rules on the restriction of the use of certain
hazardous substances in electrical and electronic equipment, such as EU REACH, RoHS and Batteries (where included)
regulations, etc. For declarations of conformity about REACH and RoHS, please visit our web site
http://consumer.huawei.com/certification.
EU regulatory conformance
RF Exposure
Your device is a low-power radio transmitter and receiver. As recommended by international guidelines, the device is
designed not to exceed the limits established by the European Commission for exposure to radio waves.
Statement
Hereby, Huawei Technologies Co., Ltd. declares that this device is in compliance with the essential requirements and
other relevant provisions of Directive 2014/53/EU.
The most recent and valid version of the DoC (Declaration of Conformity) can be viewed at
http://consumer.huawei.com/certification.
This device may be operated in all member states of the EU.
Observe national and local regulations where the device is used.
This device may be restricted for use, depending on the local network.
Frequency bands and power
(a) Frequency bands in which the radio equipment operates: Some bands may not be available in all countries or all
areas. Please contact the local carrier for more details.
(b) Maximum radio-frequency power transmitted in the frequency bands in which the radio equipment operates: The
maximum power for all bands is less than the highest limit value specified in the related Harmonized Standard.
The frequency bands and transmitting power (radiated and/or conducted) nominal limits applicable to this radio
equipment are as follows：
Bluetooth: 10 dBm.
Accessories and Software Information
It is recommended that the following accessories should be used:
Batteries: 622936
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