In order to provide better service, this device will automatically obtain software update information from Huawei or your carrier after connecting to the Internet.

This process will use mobile data, and requires access to your device's unique identifier (IMEI/SN) and the service provider network ID (PLMN) to check whether your

device needs to be updated.

In addition, this device supports the automatic downloading and installation of important updates from Huawei or your carrier in cases of emergency. This function

is enabled by default. To disable this function, please log in to the product management website and make the corresponding changes in the settings menu.

Safety information

Some wireless devices may affect the performance of hearing aids or pacemakers. Consult your service provider for more information.

Pacemaker manufacturers recommend that a minimum distance of 15 cm be maintained between a device and a pacemaker to prevent potential interference

with the pacemaker. If using a pacemaker, hold the device on the side opposite the pacemaker and do not carry the device in your front pocket.

Ideal operating temperatures are 0 °C to 40 °C. Ideal storage temperatures are –20 °C to +70 °C. Extreme heat or cold may damage your device or accessories.

Keep the device and accessories in a well-ventilated and cool area away from direct sunlight. Do not enclose or cover your device with towels or other objects.

Do not place the device in a container with poor heat dissipation, such as a box or bag.

Keep the device away from sources of heat and fire, such as a heater, microwave oven, stove, water heater, radiator, or candle.

The device should be installed and operated with a minimum distance of 20 cm between the radiator and your body.

Using an unapproved or incompatible power adapter, charger or battery may cause fire, explosion or other hazards.

Choose only accessories approved for use with this model by the device manufacturer. The use of any other types of accessories may void the warranty, may

violate local regulations and laws, and may be dangerous. Please contact your retailer for information about the availability of approved accessories in your area.

The power plug is intended to serve as a disconnect device.

For pluggable devices, the socket-outlet shall be installed near the devices and shall be easily accessible.

Ensure that the power adapter meets the requirements of Clause 2.5 in IEC60950-1/EN60950-1/UL60950-1 and has been tested and approved according to

national or local standards.

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 its 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. For declarations of conformity about REACH and RoHS, please visit our

web site http://consumer.huawei.com/certification.

EU regulatory conformance

Statement

Hereby, Huawei Technologies Co., Ltd. declares that this device B311s-220 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.

Restrictions in the 2.4 GHz band:

Norway: This subsection does not apply for the geographical area within a radius of 20 km from the centre of Ny-Ålesund.

ErP Product Information

Huawei Technologies Co., Ltd. hereby declares that its products conform to the Energy-related Products Directive (ErP) 2009/125/EC. For detailed ErP information

and the user manuals required by Commission Regulation, please visit: http://consumer.huawei.com/en/certification.

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: GSM 900: 37 dBm, GSM

1800: 34 dBm, WCDMA 900/2100: 25.7 dBm, LTE Band 1/3/7/8/20: 25.7 dBm, Wi-Fi 2.4G: 20 dBm.

Accessories and Software Information

Some accessories are optional in certain countries or regions. Optional accessories can be purchased from a licensed vendor as required. The following accessories

are recommended:

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