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• Do not use electronic transmission devices in aircraft, at petrol stations or in
hospitals. Observe and obey all warning signs, and power o the device in these
conditions.
• Do not touch the inner antenna area unless necessary. Otherwise the
performance of the device may be aected.
• Do not use the device in an enclosed environment or where heat dissipation
is poor. Prolonged work in such space may cause excessive heat and raise
ambient temperature, which may lead to automatic shutdown of the device for
your safety. In the case of such an event, cool the device in a well-ventilated
place before turning on for normal use.
• Keep the device out of the reach of small children. The device may cause an
injury if used as a toy.
• When the device is operating, do not touch the metallic parts. Failing to do so
may cause burns.
• Use original accessories or accessories that are authorized. Using any
unauthorized accessories may aect the performance of the device and violate
the related national regulations about telecom terminals.