Emergency Calls; Environmental Protection; Fcc Regulatory Compliance - Huawei U3900 User Manual

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.

Environmental protection

The device and its accessories (if included), such as the power

adapter, headset, and battery should not be disposed of with
household garbage.
Disposal of the device and its accessories is subject to local

regulations. Support proper collection and recycling.

FCC Regulatory Compliance

Body worn operation
The device complies with RF specifications when used near your
ear or at a distance of 1.5 cm from your body. Ensure that the
device accessories, such as a device case and device holster, are
not composed of metal components. Keep the device away from
your body to meet the distance requirement.
Certification information (SAR)
This device is also designed to meet the requirements for exposure
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