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• The phone shall only be connected to products that
bear the USB-IF logo or have completed the USB-IF
compliance program.
• Do not put a battery into a microwave oven, dryer or
high-pressure container.
• Use only authorized chargers.
• Do not puncture the battery with a sharp object such
as a needle.
• When the battery is disposed, be sure it is
non-conducting by applying vinyl tape to the (+) and
(-) terminals.
• Do not drop, throw, or subject the handset to rough
treatment.
• Stop using the battery if abnormal heat, odor,
discoloration, deformation, or abnormal condition is
detected during use, charge or storage.
• Do not use your handset with a damaged or deformed
battery.
• Do not solder the battery directly.
• Remove the battery whose life cycle has expired
from equipment immediately.
• The earpiece may become warm during normal use.
Also, the handset itself may become warm while the
battery is being charged.
• When a handset is in vibration mode, the vibration may
cause the handset to move.