Samsung SGH-A637 User Manual (user Manual) (ver.f8) (English) - Page 10
Charging the Battery, Your phone is powered by a rechargeable Li-ion battery. Use
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2. Press the battery down until it clicks into place. Make sure that the battery is properly installed and not obstructing the SIM card before replacing the cover. 3. With the battery in position in the phone, hook the top of the battery cover back on the handset (1) and press it down (2) until it clicks. Note: The battery must be properly installed before charging the battery or switching on the phone. Charging the Battery Your phone is powered by a rechargeable Li-ion battery. Use the wall charger to charge the battery, and use only Samsung approved batteries and chargers. Note: You must fully charge the battery before using your phone for the first time. A fully discharged battery requires up to 4 hours of charge time. Note: For connection to an electrical supply not located in the U.S., you must use an adaptor of the proper configuration for the power outlet. Use of the wrong adaptor could damage your phone and void your warranty. 1. Open the side slot and plug the connector of the wall charger jack into the jack on the side of the phone. + 7