2A. Device Basics 21Device Basics2. Slide open the Charger/Accessory jack cover.3. Insert the USB cable into the device’s Charger/Accessory jack.4. Plug the charging head into a standard AC poweroutlet.Always use a Sprint-approved or Samsung-approveddesktop charger, travel charger, or vehicle poweradapter to charge your battery. Plug the flat end of the charger into the device’scharger jack and the other end into an electricaloutlet. The device turns on with the screen lockedand indicates both its charge state and percent ofcharge.With the Sprint-approved Li-Ion battery, you canrecharge the battery before it becomes completely rundown.Extending Your Battery LifeActive applications, light levels, Bluetooth usage, andGPS functionality all act to drain your battery. Thefollowing is a list of helpful tips that can help conserveyour battery power: Reduce your backlight on time. (See “Changing theBacklight Time Length” on page 69.) Turn Bluetooth off when not in use. (See “TurningBluetooth On and Off” on page 143.)CorrectIncorrectCharger/Accessory JackNote: The front LED turns red to indicate the battery iscurrently charging.SPH-D700.book Page 21 Friday, August 6, 2010 3:57 PM