Huawei P9 - Manual (Page 27)

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If you use services such as Wi-Fi tether or Bluetooth, set
passwords for these services to prevent unauthorized
access. When these services are not in use, turn them off.
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Install or upgrade device security software and regularly
scan for viruses.
•
Be sure to obtain third-party applications from a
legitimate source. Downloaded third-party applications
should be scanned for viruses.
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Install security software or patches released by Huawei or
third-party application providers.
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Some applications require and transmit location
information. As a result, a third-party may be able to
share your location information.
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Your device may provide detection and diagnostic
information to third-party application providers. Third
party vendors use this information to improve their
products and services.