Do we really need battery saver apps for android ? I think even they take some battery juice for them to work right? Things like Battery Doctor and Due Battery saver only instruct us to close some apps to features like wifi gprs to save battery right?
If you are not rooted, they are useless right? Please correct me if I'm wrong :)
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I have a battery saver software installed. One of its features is that it turn off WiFi when I lock my phone and then turns it back on, when I unlock. Unless of course I manually turn WiFi off as in this case it remains in this state until I manually turn it on.
Now, if I disable WiFi in my app using WifiManager and then unlock the phone, the battery saver app does not turn WiFi on anymore.
I've had a Galaxy S4 since about August, and it's been having battery problems since I got it. I took it to the phone store a week or so after buying it but the salesman wasn't very helpful (he just said he only know things about iPhones...). So I have just put up with it but over the last few months, it's gotten worse.