11-23-2012 02:53 PM
Are you closing all application correctly and sure that their are no applications running in the background.Press and hold the Menu for a few seconds, it will pop up a screen which will show all running programs in the background ,generally five will always there ( Home, BBM, Message,Phone , Browser ) look if any other apps. are running.
Always try to Close Applications Correctly - Avoid using the End key to close applications as this simply minimizes the application and leaves it running in the background. Instead, press the Menu key, select the Close or Exit option to exit the application.Don't leave your Browser open when not in use.If programs run in the background it will also lead to overheating and also quick battery drainage.Please have a look at those Article I am sure it will help you a lot in overcoming your problems :
KB14320 How to maximize battery life and free memory on the BlackBerry smartphone.
If that does not help then you may conatct your Carrier so that they can Investigate the cause or replace the unit.
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