User Manual
LOGIC X5U 4
Use caution when using your mobile phone near medical devices, such as pacemakers, hearing
aids and other electronic medical devices, as it may cause interference and not allow these
devices to perform properly.
INTERFERENCE
The conversation quality of any mobile phone may be affected by radio interference. An antenna
is built-in to the mobile phone and is located below the microphone. Do not touch the antenna
area during a conversation because this will cause the conversation quality to deteriorate.
QUALIFIED SERVICE
Only qualified personnel may install or repair the phone.
Installing or repairing the mobile phone yourself may cause great harm and it violates the product
warranty.
ACCESSORIES AND BATTERIES
Use only approved accessories and batteries.
USE CORRECTLY
This device is designed to be used in a normal and proper manner.
EMERGENCY CALLS
Ensure the phone is switched on and in service, enter the emergency number, e.g. 112, then
press the Dial key. Give your location and state your situation briefly. Do not end the call until told
to do so.
Note: Just like all other mobile phones, this phone may not necessarily support all the
features described in this manual due to network or radio transmission issues. Some networks
may not support the emergency call service. Therefore, do not rely solely on this mobile phone for
critical communications such as first aid. Please consult your local network operator.
Precautions
This mobile phone is an advanced digital device. Please exercise special care when using it. The
following suggestions will help you use your mobile phone properly and obtain the maximum
benefit from it:
Keep the mobile phone and all its accessories out of the reach of children.
Keep the mobile phone dry. Keep away from rain, moisture, liquid or other
substances that may corrode the electronic circuits.
Do not use or store the mobile phone in dusty environments to avoid damaging
its mechanical parts.
Excessive use of headphones at high volume may cause permanent hearing
damage.
Do not store the phone under high-temperatures. High temperatures will shorten
the life of the electronic circuits; damage the battery and some plastic parts.
Do not store the mobile phone under extremely low temperatures. Condensation