Bea-fon T850 -22-
SIM selection : select the using SIM card.
Advanced settings: other settings.
10.7 Restore settings
In this menu enter your phone code (the initial value is 1122) and
press <OK> to reset your phone to its default settings.
11 Guidelines for safe and efficient use
11.1 Care and maintenance
Your phone is a product of superior design and craftsmanship and
should be treated with care. By following the warranty obligations and by
caring for your mobile, you can enjoy it for many years:
1) Keep the phone dry. Precipitation, humidity and liquids containing
minerals will corrode the electronic circuits;
2) Do not use or store the phone in dusty areas as the dust could
obstruct or damage the moveable parts;
3) Do not store the phone in hot areas. High temperatures can shorten
the life of electronic devices, damage batteries and warp or melt
certain plastics;
4) Do not store the phone in cold areas, because moisture can form
inside the phone when temperature rises, which may damage the
electronic circuits;
5) Do not drop, knock, bump or shake the phone. Rough handling may
damage the internal circuits. Put the phone in a safe place when you
do not use it;
6) Use a slightly cloth damping with clean water or neutral soap to clean
your phone housing. Never use any chemical or abrasive cleaners, as
they could damage the phone;
7) Do not paint your phone as the paint could obstruct any moving parts
and prevent normal use;
8) Use only approved batteries and accessories. Use of any
unauthenticated batteries and accessories could damage your phone
and may be dangerous;
9) If there’s something wrong with your phone or its accessories, do not
attempt to dismantle the phone. Contact qualified service personnel to
repair your phone.
11.2 Battery maintenance
1) A new battery will require two or three times full charge/discharge
cycles in order to achieve its optimum performance.
2) Batteries typically have several hundreds charge cycles in their life
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