Samsung SGH-I537 User Manual At&t Sgh-i537 Galaxy S 4 Active Jb English Us - Page 17

Note: Make sure the battery is properly installed before switching on the phone. Charging a Battery Your device is powered by a rechargeable Li-ion battery. The Travel Charger that is used to charge the battery, is included with your device. Use only Samsung-approved batteries and chargers. Note: You must fully charge the battery before using your phone for the first time. A discharged battery recharges fully in approximately 4 hours. Using the Travel Charger Important! Verify that the handset battery is installed prior to connection. If the battery is not properly installed and the wall charger is connected, the handset may power off and on continuously, preventing proper operation. Incorrect Note: Long backlight settings, searching for service, vibrate mode, web browser use, and other variables may reduce the battery's talk and standby times. Although you can use the phone while the battery is charging, doing so will require additional charging time. Correct 1. Lift up on the multipurpose jack cover that covers the port on the bottom of your phone and swing it open (1). Getting Started 10