I have a completely stock att flex with the kitkat update. I saw in the notes that there is supposed to be increased battery performance but mine is HORRIBLE. Woke up at 8 this morning and am at 55% by 430. I haven't used it much at all either. Any thoughts or anyone else notice a decrease?
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Not so with mine, but i want to day I've read one or two others mention it. After the update I factory reset my phone. Time consuming, don't know if it will add any benefit, but I would suggest it as a possible next step before calling AT&T.
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