Samsung SCH-A630MBIXAR - Manual (Page 159)

Section 10: Health and Safety Information 159
Care and Maintenance
Section 10
modified accessories may damage the phone and violate
regulations governing radio devices.
• If the phone, battery, charger or any accessory is not working
properly, take it to your nearest qualified service facility. The
personnel there will assist you, and if necessary, arrange for
service.