Idle device and inactive phone consuming too much battery I just bought a brand new Zonda A450 with Android 4.4. I was quite surprised when the battery started to drain too fast. Even taking a photo with flash could take 3% of the battery instantly. From what I see, the device being idle and the phone being inactive take 50% of the battery!


  


I searched in Google on how to optimize the OS, remove useless apps and widgets, etc., but I just saw a slight improvement.

What I can do to reduce the percent of battery used? Since these two aren't apps, I couldn't find an answer on Google. How can I fix this issue?
I found what caused the excessive battery drain was, i changed the Preferred network setting to just use G3(WCDMA)(or whatever network your carrier uses) instead of the auto/global setting it has by default, now the inactive phone drains 28% of the battery, better than before