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changes color. In this case, phone repairs are no longer guaranteed by the manufacturer's
warranty, even if the warranty for your phone has not expired.
Emergency Call
You can use your phone for emergency calls. However, connections in call conditions
cannot be guaranteed. You should never rely solely on the phone for essential
communications.
Battery
Never use a charger or battery that is damaged in any way.
Use the battery only for its intended purpose.
If you use the phone near the network's base station, it uses less power. Talk and standby
time are greatly affected by the signal strength on the cellular network and the
parameters set by the network operator.
Battery charging time depends on the remaining battery charge, the type of battery, and
the charger used. The battery can be charged and discharged hundreds of times, but it
will gradually wear out. When the operation time is noticeably shorter than normal, it is
time to buy a new battery.
If left unused, a fully charged battery will discharge itself over time.
Extreme temperatures will affect the charging capacity of your battery: it may require
cooling or warming first.
Do not leave the battery in hot or cold places because the capacity and lifetime of the
battery will be reduced. Try to keep the battery at room temperature. A phone with a hot
or cold battery may not work temporarily, even when the battery is fully charged. Li-ion
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