Help Android OS and Android System Drain Battery

[InFocusSF]

What's wrong with my S4? Battery died after 18hrs. Android OS 24% and Android System 22%. Anything can be done?

 

[ironass]

What's wrong with my S4? Battery died after 18hrs. Android OS 24% and Android System 22%. Anything can be done?

Hello and welcome to Android Forums InFocusSF!

Thank you for your post.

There are currently 28 different models of the Samsung Galaxy S4 and over 2,000 different stock Samsung firmware versions, worldwide, covering 5 different Android platforms, Android 4.2.2, Android 4.3, Android 4.4.2, Android 4.4.3 and Android 4.4.4. Not all issues will affect all models or firmware releases and your answers to the following questions will help in the forum's answers to your specific query.

#1 Could you post your Model number and Android version...

To locate these, go to...

Settings > More > About device > Model number and Android version

This will give you the model of Samsung Galaxy S4 that you have and which Android version you are on.


#2. Your current Firmware, (not just Baseband), version .

To locate your current firmware version, go to the stock, Samsung, dial pad and type in...

*#1234#

This will give you your, "Version", details in full, usually 3 lines of information, AP: CP: CSC:, which may all be relevant.

*** If code *#1234# has been disabled on your firmware, you can download and install, free from the Play Store, Phone Info and it will give you, under Firmware Info... PDA, Baseband, CSC, versions.


#3. Also helpful would be your carrier, (service provider), location, (UK, India, Russia, USA, etc: ), and if your phone is rooted or not and running a custom ROM, (give details).


Thanks. The above helps us to help you and hopefully someone will be able to reply to you shortly.


For more information, see, 28 Galaxy S4 models - know yours?

(Tip: You can go to the green bar at the top of this forum and click on, "User CP", which will take you to your User Control Panel and then select, "Edit your details", under the heading, "Your profile", on the left hand side. Here you can fill in your model and firmware under, "Current devices", in, "Additional Information". This ensures that your device details are shown under your user name on the left, in every post you make. You can update this as often as you like and will help other users immediately identify your current phone and firmware details.)

 

[InFocusSF]

Hi Ironass,
Thank you for super quick response. I didn't realize there were so many different software and hardware options. This is what I've got:
1 Model SCH-I545, Android version 4.4.2
2 Firmware version Baseband I545VRUFNC5, PDA I545VRUFNC5/I545VRUFNC5c
3 Verizon, USA.

Thank you again for your help Ironass. I did not realize that all that info was needed to determine the cause of the problem.

 

[ironass]

Hi Ironass,
Thank you for super quick response. I didn't realize there were so many different software and hardware options. This is what I've got:
1 Model SCH-I545, Android version 4.4.2
2 Firmware version Baseband I545VRUFNC5, PDA I545VRUFNC5/I545VRUFNC5c
3 Verizon, USA.

Thank you again for your help Ironass. I did not realize that all that info was needed to determine the cause of the problem.

Thanks InFocusSF. Verizon's model of phone is unlike the worldwide editions and has its own heavily carrier modified firmware that is not even issued by Samsung.

One thing you could try is to run your phone on Safe Mode, see #1.1 of Update Problems - Dummies Guide to see if it is your Verizon firmware or a rogue app/setting that is making a call on Android OS and System.

 

[InFocusSF]

Thank you again ironass for your tips. I will definitely try it but I wanted to ask you why would android OS be occupied and use processor time if no other application was active?

 

[ironass]

Thank you again ironass for your tips. I will definitely try it but I wanted to ask you why would android OS be occupied and use processor time if no other application was active?

There will always be apps and, or, settings running that will be making a call, (demand), on the the Android OS and if they are not being handled correctly they can cause problems with the kernel/OS without showing up themselves as such.

What the Android OS usage is and what it's not