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internal circuit boards.
Do not connect the phone with any incompatible accessory or enhancement.
Do not attempt to disassemble the mobile phone or battery.
Do not store the phone with flammable or explosive articles.
Do not charge the mobile phone without the battery.
Precautions for Potentially Explosive Atmospheres
Switch off your phone prior to entering any area with potentially explosive
environments, such as fueling areas, fuel or chemical transfer or storage
facilities.
Do not remove, install, or charge batteries in such areas. Sparks in potentially
explosive environments can cause explosions 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 sent
by the mobile phone if inadequately shielded, such as the electronic systems
of vehicles. Please consult the manufacturer of the device before using the
phone if necessary.