Samsung Comment SCH-R380 User Manual page 98

Switch your mobile device off before boarding an aircraft. The use of
•
wireless mobile devices in aircraft is illegal and may be dangerous to
the aircraft's operation. Check with appropriate authorities before
using any function of a mobile device while on an aircraft.
Failure to observe these instructions may lead to the suspension or
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denial of cell phone services to the offender, or legal action, or both.
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