first of all, maybe it's your useage, if you use all the apps, it will kill your battery. You know what's a good way to test your bbm if it's functioning properly, put in your mom's SIM card in it. She probably doesn't have data, doesn't have games, doesn't have any wifi shit. you will soon realize your battery can last up to 4 days per charge.
I did that when I was aboard in Asia, no data and my phone lasts forever. It's my 400+ emails a day, opening tons of apps that kills the battery and draining it.
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