This We know that almost all samsung roms as of now has "cell standby" battery drain. But its understood that its a miscalculation of power used rather than the actual power usage.
A big thanks to Anderilux here and here for finding this thing .
This mod will fix the wrong reporting of "cell stand by "usage to some extent. If your mobile has actual drain due to signal issues or some other issues do not blame me or any other for not fixing this.
What is changed ?
The power drain value in power_profile.xml is changed to 3.4 mA(approx value) from 34mA(which is practically impossible).
Attaching the compiled power_profile.xml file along with this post.This saves your time of decompile/recompile framework-res.apk. All you have to do is open your framework-res , modify the apk with 7zip or winrar.
1.Open you framework-res.apk file via 7zip or winrar.
2.Navigate to "framework-res\res\xml".
3.Delete the existing "power_profile.xml" file and add the attached one here.
4.Now pull back the framework-res.apk back to your mobile
5.Restart your mobile.
Or you can simply flash the below cwm zip, thanks to @ ausdim for packing this
Now you wont see "cell standby" topping your battery usage list.
verified the power_profile of many roms ,its actually same. so this should work with almost all roms Lets hope samsung would fix it in their future rom releases
Download the xml file here
Here is the reference decompiled xml file for the purpose of learning.
before changing xml
after changing xml