EN
18
17.16 DuraSpeed
You can turn on or off this option, which helps the foreground app restricting background apps,
some notifications may be postponed or not received. It doesn
’t res
trict background activities of
apps switched on in the list.
17.17 System
This menu option allows you to perform language & input settings, adjust gestures, set date and
time, backup, do more reset methodes on the phone and check system update.
17.18 About phone
You can check information about the device, the software, the phone number (if it
’s set)
and
emergency information about the owner.
18. Handling and maintenance
18.1 Battery
•
The device has a rechargeable battery. When the power supply is low, charge the battery.
•
Disconnect the charger from the power outlet and the appliance when not in use. Do not
allow the battery to charge for more than a week, as it may reduce the battery life.
•
Extreme temperatures may also affect the
battery. If the ambient temperature exceeds 40 °C,
do not charge the battery.
•
Do not use a damaged battery or charger.
•
Do not short-circuit the battery. For example, a metallic object such as a coin, clip or pen may
cause a short circuit.
•
Do not leave the battery too hot (such as in a car in summer) or too cold (such as freezing), as
it may reduce its service life. Try to store the battery betw
een 15 °C and
25
°C. A too cold or
too hot battery may temporarily not work, even if it is fully charged.
•
Do not throw the battery in a fire. Dispose of the used battery according to local regulations
and recycle if possible.
18.2 Maintain the appliance
•
Keep the appliance dry. Precipitation, mist and all other liquids can cause corrosion in the
circuit boards.
•
Do not store the product in dusty places, as moving parts and electrical accessories may be
damaged.
•
Do not store the device in hot places. High temperatures can shorten the life of the electrical
devices, damage the battery and melt the plastic parts.
•
Do not store the device in a cold place. When the device returns to normal temperature, the
inside moisture can damage the electrical circuits.
•
Open the appliance only as instructed in this manual.
•
Do not drop, shake the appliance as small parts break.
