If the battery is completely dead, the phone may not stay on long enough to charge it. Try these cycles to "jumpstart" it:
: Dust or corrosion on the gold contact pins prevents the battery from communicating with the device. Tanda Silang Merah Pada Blackberry
: Internal protection circuitry has tripped or the cells have physically failed (often indicated by swelling). Step-by-Step Solutions 1. Clean the Contacts If the battery is completely dead, the phone
Clean the four gold battery terminals and the matching pins on the phone using a dry soft cloth, a toothbrush, or a cotton swab dipped in a small amount of rubbing alcohol. Ensure the pins are springy and making firm contact. 2. "Stack Charging" (For Deeply Drained Batteries) If the battery is completely dead