Maintenance Guideline - NEC N3306 User Manual

Welcome to use mobile phone produced by NEC Company. Whereby a failure occurs in the use of your
mobile phone, you are requested to contact with distributor or consult NEC maintenance center; whereby the
repair is needed，your mobile phone may be sent/brought to local maintenance center（The specific
maintenance centers shown in the voucher of warranty provided with mobile phone. ） ; whereby a
maintenance center is not available in your place，you are requested to bring the mobile phone and copy of
its receipt to distributor for EMS mailing.
You shall be cautious to the use of mobile phone as it is made using excellent design and technique. To
prolong the life of mobile phone, you are required to perform the obligations specified in the warranty terms
as followings:
· Keep the mobile phone and its accessories away from the children;
· Keep the mobile phone dry all t he time as rain water, moisture, various liquid, and water contain mineral
materials, which may corrode the electronic circuit;
· Do not use, store the mobile phone in places containing dusts, which may damage its removable parts;
· Do not store the mobile phone in the excessive hot place, as the high temperature might shorten the life of
electronic parts, damage the battery, and deform or even melt some plastic parts;
· Do not store the mobile phone in the excessive cold place, or the humidity may form inside of the mobile
phone when the temperature of mobile phone rises（up to normal temperature）, which may damage the
circuit board;
· Do not attempt to disassemble the mobile phone as the operation by unprofessional personnel will damage
it;
· Do not throw, beat or shake the mobile phone, or the internal circuit board might be damaged;
· Do not clean and wash the mobile phone with strong chemical product, ambulant, or strong detergent;
· Do not dye the mobile phone, or it will obstruct the removable parts so as to affect the normal work;
· To change the antenna，only authorized or matchable antenna shall be used. Any use of unauthorized
antenna or modified accessories may damage the mobile phone and infringe the relevant regulations for
wireless devices.
All above recommendations are also applicable to your mobile phone, battery, charger and each fitting part.
If they can not work normally, please bring/send them to the qualified maintenance organization nearest to
you for repairing.

15 Maintenance guideline

N3306 User manual
第 63 页