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The basics
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Locking the touch keys
You can lock the touch keys on the device to keep any
accidental key presses from causing a program’s launch or
device switch on or off.
•To lock the keypad, press .
• To unlock the touch keys, press any key except for touch
keys and then press .
Using an optional memory card
Your device has an expansion slot compatible with microSD
memory cards, which are primarily used to back up or
transfer files and data.
Note
: Use only compatible memory cards with your
device
.
Using incompatible memory cards, such as Secure
Digital (SD) cards, may damage the card, as well as the
device
, and data stored on the card.