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.
This morning I was thinking about the S5 ultra saver battery mode, and I asking to myself if someone have developed a Rom that as only that functionally (sms & call) for a extreme battery save. Along with the MultiRom it would be a nice way to preserve the phone if the battery is discharge!