BB 7290 unlocked: "battery drained. shutting down handheld"
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I've got used BB 7290 unlocked. It worked well for a few hours and said "battery drained. shutting down handheld"((( Battery doesn't charge when connected whether to a wall charger or PC. Battery status indicator is always red with red answer on the left. I asked seller to send me another battery. The second one worked for a few hours and the same problem caused. I tried to install different versions of OS from the oldest to the latest. It doesn't help. It seems the phone doesn't recognize the batteries as genuine.
Does anybody know how to solve the problem? Please help me!
I don't know about water... When the device was working I plugged into the charger and it displayed charging but actually the battery didn't charge.
I've got 2 batteries. They look like original. But I can't try them in another BB because I live in Belarus and nobody have Blackberry in my country(((