: Internal protection circuitry has tripped or the cells have physically failed (often indicated by swelling). Step-by-Step Solutions 1. Clean the Contacts
: The battery has drained past the point where the phone can initiate a charge. Tanda Silang Merah Pada Blackberry
: Dust or corrosion on the gold contact pins prevents the battery from communicating with the device. : Internal protection circuitry has tripped or the
battery symbol with red X - BlackBerry Forums at CrackBerry.com : Dust or corrosion on the gold contact
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, the phone may not stay on long enough to charge it. Try these cycles to "jumpstart" it: