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The earpiece may become warm during normal use. Also, the handset itself may become warm while the
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battery is being charged.
When a handset is in vibration mode, the vibration can sometimes cause the handset to move.
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Be careful not to place the handset near heat sources (such as a heater) or too close to the edge of the
table.
Use a damp or anti-static cloth to clean the handset. Do not use an ordinary dry cloth or electrostatic
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cloth. Do not use chemical or abrasive cleaners as these could damage the casing.
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Third party equipment: The use of third party equipment, cables or accessories, not made or authorized
by manufacturer, may invalidate the warranty of your handset and also adversely affect the phone's
safety/operation.
Remember to make backup copies of all important data on your handset.
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Remember to recycle: the cardboard packing supplied with this handset is ideal for recycling.
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Caution:
Caution explosion if battery is replaced by an incorrect type. Dispose of used batteries according to the
instructions.
General Guidelines
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In some countries national law unapproved private copying of copyrighted material. Please check the
national legislation of the applicable country concerning the use of such material.
Many jurisdictions have laws and regulations about taking pictures in public or private areas and
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regarding the processing and further use of such pictures. The manufacturer encourages its customers to
obey all laws and to respect the personal rights of others.
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Please check roaming agreement availability with your service provider.
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The use of mobile phones is not allowed in some radiation sensitive areas, such as hospitals, research
centers and airplanes. The user is responsible to power-off the device. If there is any uncertainty, you
should remove the battery from the handset.
Observe any signs that indicate powering off your handsets, such as those near gas stations, or explosives
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and power off the handset/device immediately.
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If you have a heart condition, be careful with the settings of call vibration or tone volume.
Do not allow children to play with the handset, charger or batteries.
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Do not use the handset where blasting is in progress.
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Do not try to make a call or conversation while the temperature of charging battery is above 50° C.
Take care not to put your handset in the back pocket of your trousers or skirt and then sit on it. Also, do
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not put your phone at the bottom of bag where it may subject to excessive weight or pressure. Doing so
may damage the LCD and camera lens and cause them malfunction.
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The operation of some medical electronic devices, such as hearing aids and pacemakers, may be affected
if a handset is used next to them. Observe any caution signs and the manufacturer's recommendations.
Do not leave the handset discharged or without a battery for a long time, otherwise some data may be
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erased.
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Your phone contains metal, which may cause you an itch, a rash or eczema depending on your physical
condition.
Aircraft Safety
Power off your phone before the airplane takes off. In order to protect airplane's communication system
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from interference, it is prohibited to use mobile phone in flight. If you want to use mobile phone before
30 Confidential and Proprietary Information of ZTE CORPORATION
Z221 User Manual
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