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Charging
The internal battery is not fully charged at the time of
purchase. Be sure to charge the battery before use.
z The latest charger compatible with the handset can be checked
on docomo online shop.
h
ttps://www.mydocomo.com/onlineshop/options/index.html)
(
Japanese only)
Cautions while charging
„
z For details on the estimated charge time and battery life when
☞
fully charged
P. 230 "Main specifications"
z The battery can also be charged with the handset turned on
(While charging, the battery icon appears with [ ]
superimposed).
z Do not charge for a long time with the power left turned on. If the
handset is left turned on after charging is complete, the internal
battery charge level decreases.
In this case, an AC or DC adapter (sold separately), wireless
charger (sold separately) charges the battery again. However,
depending on the time when the handset is disconnected from
the AC adapter, DC adapter or wireless charger, the battery
charge level may be low or the battery may only be usable for a
short time.
z If the handset is left for a long time even after the charging is
completed, the battery level may decrease.
z When the battery is empty and the handset is being charged, the
charging lamp may not illuminate immediately. However, charging
is in progress.
z If the battery empty alert is displayed and the power cannot be
turned on, charge the battery for a while.
z While charging, the handset may not be turned on even when
the charging lamp is illuminated in red. Charge longer and try
turning the power on again.
z Frequently recharging the battery when its power is still
remaining enough may shorten the usable life of the internal
(in
battery. It is recommended to use the battery to a certain level
(e.g. after the battery level decreases) before recharging.
z When the battery becomes warm, charging may automatically
stop even if the battery has not been fully charged. Charging
automatically resumes after the temperature lowers to an
appropriate temperature. However, with some wireless chargers,
charging may not automatically resume even if the temperature
lowers during the charging process. After the temperature of the
handset lowers, remove the handset from the wireless charger
and then start the process again.
Internal battery usable life
„
z The internal battery is a consumable product. Battery life per
charge is gradually reduced every time the battery is charged.
z When battery life per charge is reduced to approximately half of
the default time, this means that the internal battery is
approaching the end of its usable life. In this case, it is
recommended to replace the battery as soon as possible. For
details on replacing the internal battery, contact the number
listed in "Repairs" (in Japanese only) on the last page or a repair
counter that DOCOMO specifies.
40
Before Using the Handset
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Table of Contents
Troubleshooting
