Zte R259 User Manual page 10

do not listen at high volume levels
for long periods.
Precautions for Potentially Explosive Atmospheres
 Switch off your phone prior to entering any area with potentially
explosive atmospheres, such as fueling areas, fuel or chemical transfer
or storage facilities.
 Do not remove, install, or charge batteries in such areas. Spark in a
potentially explosive atmosphere can cause an explosion or fire
resulting in bodily injury or even death.
 To avoid possible interference with blasting operations, switch off
your phone when you are near electrical blasting caps, in a
blasting area, or in areas posted "Turn off electronic devices". Obey
all signs and instructions.
Precautions for Electronic Devices
 Some electronic devices are susceptible to electromagnetic interference
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