11Guidelines for safe and efficient use
• Always unplug the charger from the wall socket after the phone is fully
charged to save unnecessary power consumption of the charger.
• Actual battery life will depend on network configuration, product settings,
usage patterns, batt
ery and environmental conditions.
• Make sure that no sharp-edged items such as animal’s teeth or nails, come into
c
ontact with the battery. This could cause a fire.
Precautions when using SIM cards
• Do not insert the SIM card into the device with the label or seal attached. This
may cause damage.
• Do not remove the SIM card while using the device. This may damage the SIM
c
ard or the system.
• Take extra care to ensure that the SIM card is not scratched, bent, or damaged
by magnet.
This may delete files saved on the SIM card or cause device
malfunctions.
Precautions when using memory cards
• Make sure that the orientation is correct when inserting the memory card.
Inserting using the wrong orientation may damage the card.
