Lemon duo525, User Manual

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6
PUK2 (8 digits)
The PUK2 code, supplied with some SIM card, is required to change a
blocked PIN2 code. It may be supplied with the SIM card. If not, contact
your network operator.
Note: Ten times wrong input in succession, the SIM card will be invalid
and you need to consult with your network operator for a new SIM card.
Barring Code
To activate call barring, you need a Barring Code. You obtain the
password from your service provider.
Battery Information
Charing and Discharging

The charger is designed to be used in temperatures between 0°C to
40°C.

Do not charge the phone in wet and damp conditions.

Use only batteries approved by the phone manufacturer and recharge
your battery only with the charges approved by the manufacturer.

We strive to produce products in compliance with global
environmental standards

The charger meets the standard for safety of information technology
equipment and office equipment use. It must be used for this purpose
only.

Your phone is powered by a rechargeable battery. Full performance of
the battery is achieved only after two or three complete charge and
discharge cycles.
 When the battery level is low, “Low Battery” will be displayed on the
LCD screen. If you have selected Alert Tone (Warning Tone of any
profile in Profiles), the phone will sound the alert tone.

When a charger is not in use, disconnect it from the power source. Do
not leave the battery connected to a charger for longer than 12 hours,
since overcharging may shorten its life.

Temperature extremes will affect the ability of your battery to charge.
Tips for Battery

Placing the battery in hot or cold places, such as in a closed car in
summer or winter, will reduce the capacity and lifetime of the battery.

Do not let the metal contacts on the battery touch other metal contacts.
It could short-circuit and damage the battery. Use the battery only for
its intended purpose.

Do not disassemble or modify the battery by yourself.

Do not clean the battery with water or any organic solvent.

Always keep the battery dry.