Nokia X2-01 - Manual (Page 10)

3 When the phone indicates a full charge, disconnect the charger from the phone,
then from the wall outlet.
You do not need to charge the battery for a specific length of time, and you can use the
phone while it is charging.
If the battery is completely discharged, it may take several minutes before the charging
indicator is displayed or before any calls can be made.
If the battery has not been used for a long time, to begin charging, you may need to
connect the charger, then disconnect and reconnect it.
Connect a headset
Do not connect products that create an output signal, as this may damage the device.
Do not connect any voltage source to the Nokia AV connector. If you connect an external
device or headset, other than those approved by Nokia for use with this device, to the
Nokia AV connector, pay special attention to volume levels.
Insert a memory card
Use only compatible memory cards approved by Nokia for use with this device.
Incompatible cards may damage the card and the device and corrupt data stored on the
card.
Your phone supports microSD cards with a capacity of up to 8 GB.
A compatible memory card may be supplied with the device, and may already be
inserted in the device. If not, do the following:
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