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Appendix
Cautions when Using External Memory
Cards
x Unstable voltages may cause memory cards or the phone
to malfunction.
x Avoid using or storing memory cards near strong magnetic
fields or electrical noise.
x Avoid using or storing memory cards in areas with high
temperature, high humidity, or corrosive substances.
x Do not bend, drop, or subject memory cards to heavy
impact or pressure.
x Keep memory cards away from small children or pets.
x Memory cards may heat up after using the phone for an
extended period time. This is normal and does not indicate
a malfunction.
x Ensure that a memory card is inserted in the correct
direction. Inserting a memory card in the wrong direction
may cause a malfunction.
x This phone supports only microSD memory cards. Use the
correct type of memory card.
x You cannot use a memory card when its lifespan has
expired. In this case, use a new memory card.
x Handle all memory card carefully.
x Format a memory card only on your computer or the phone
where it will be used.
x Do not remove the battery from the phone when a memory
card is being used. This may corrupt the data or cause a
malfunction. Pantech is not responsible for any loss of data.
x Your phone supports only microSD memory cards in
sizes up to 32 GB. Some memory cards may not work on
your phone depending on the capacity or manufacturer.
Pantech does not guarantee the functionality or
compatibility of memory cards.
x You can store photos, videos, documents, MP3 files, and
more on a memory card. Ensure your memory card has
enough available space. Your phone cannot recognize a
memory card that is full.
x To remove a memory card from your phone safely, tap
Menu > Settings > Storage > Unmount SD card or turn off
the phone before removing the card.
Troubleshooting Checklist
When the audio quality is poor:
End the call and try again.
When the other party cannot hear you speaking:
Your phone may be set to mute. Disable the mute function.
Ensure that your hand is not covering the microphone.
When battery life is shorter than usual:
This may happen when you are in an area with low signal
strength. Turn off your phone when it is not in use. Change the
battery when necessary.
When you cannot turn on your phone:
Make sure your battery is charged. Check to see if your phone
works while recharging the battery.
When you are unable to send a message:
This may happen when you are not registered to receive SMS
service, you may be in an area where your network service
provider cannot provide such a service, your phone memory is
full, or the Fixed Dialing Numbers function is set.