Precautions For Potentially Explosive Atmospheres - Zte -G R221 User Manual

Do not touch the antenna while calling. Otherwise it will affect the
quality of calling and waste battery energy. The damaged antenna
will cause slight burn while touching your skin.
Keep phone out of the reach of small children. Phone may cause
injury if used as a toy.
Do not put other things on the terminal to avoid overlaying radiator.
Keep the antenna free from obstructions and position the antenna
straight up. This will ensure best call quality.

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
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