10Low Battery IndicatorWhen the battery is weak and only a few minutes of talk timeremain, the “Battery critically low” warning appears and thedevice sounds a warning tone at regular intervals.For a quick check of your battery level, glance at the batterycharge indicator located in the upper-right corner of yourdevice’s display. A solid battery icon ( ) indicates afull charge.When the battery level becomes too low, the phoneautomatically turns off.Note: If the phone automatically turns off because the batterylevel is too low, you must charge the battery until thephone turns on automatically.Memory CardYour device supports optional, removable, microSD ormicroSDHC memory cards (not included) for storage ofmusic, pictures, and other files.For more information about using memory cards, see “PhoneStorage” on page 98.Installing a Memory Card1. Locate the microSD card slot on the side of the phone.2. Place the card with the gold strips facing down.3. Carefully slide the optional microSD card into the cardslot (as shown) until it “clicks” into place.