Appendix

Cautions when Using External Memory Cards

xUnstable voltages may cause memory cards or the phone to malfunction.

xAvoid using or storing memory cards near strong magnetic fields or electrical noise.

xAvoid using or storing memory cards in areas with high temperature, high humidity, or corrosive substances.

xDo not bend, drop, or subject memory cards to heavy impact or pressure.

xKeep memory cards away from small children or pets.

xMemory cards may heat up after using the phone for an extended period time. This is normal and does not indicate a malfunction.

xEnsure that a memory card is inserted in the correct direction. Inserting a memory card in the wrong direction may cause a malfunction.

xThis phone supports only microSD memory cards. Use the correct type of memory card.

xYou cannot use a memory card when its lifespan has expired. In this case, use a new memory card.

xHandle all memory card carefully.

xFormat a memory card only on your computer or the phone where it will be used.

xDo 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.

xYour 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.

xYou 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.

xTo 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.

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Pantech P9090 manual Appendix, Troubleshooting Checklist