1. BlackBerry battery can't be charged. It may be that the battery has entered a dormant state. This is mostly because the user will have no electricity and the mobile phone will automatically turn off. The solution to this situation is to remove the battery, wait for 5 minutes, and then reinstall the battery. Connect the mobile phone and computer with the data cable, and restart it after 30 minutes.

2. If the battery of the mobile phone fails to charge, check whether the original charger is used. If you use another charger, check whether there is a problem with the charger or whether the charger interface is damaged. The new charger can solve this situation.

If the mobile phone can be connected to the charger for charging, but it is always unsatisfied, you need me to check whether there is something wrong with the mobile phone system. Sometimes, some battery management software will be installed on the mobile phone to protect the battery. When there is a problem with these software, the battery will not be fully charged. You can use a universal charger to charge the battery of your mobile phone. , and check whether the battery is damaged. If universal charging can fully charge the battery, then the mobile phone system needs to be repaired or refreshed.

4. The charging interface of the mobile phone is loose, and the short circuit of the internal charging circuit of the mobile phone will also cause the battery of the mobile phone to be unable to charge. In this case, it is necessary to send the mobile phone to a professional after-sales service outlet for maintenance.

5. In addition, the long-term idle battery of the mobile phone is slowly exhausted, resulting in excessive discharge.