Huawei U8100 User Guide - Manual (Page 172)

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Appendix
• Do not dismantle the device or accessories. Otherwise, the
warranty on the device and accessories is invalid and the
manufacturer is not liable to pay for the damage.
• If the device screen is broken by colliding with hard objects, do
not touch or try to remove the broken part. In this case, stop
using the device immediately, and then contact an authorized
service center in time.
Emergency Call
You can use your device for emergency calls in the service area.
The connection, however, cannot be guaranteed in all
conditions. You should not rely solely on the device for essential
communications.
Certification Information (SAR)
This device meets guidelines for exposure to radio waves.
Your device is a low-power radio transmitter and receiver. As
recommended by international guidelines, the device is
designed not to exceed the limits for exposure to radio waves.
These guidelines were developed by the independent scientific
organization International Commission on Non-Ionizing
Radiation Protection (ICNIRP) and include safety measures