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Help Samsung Galaxy S4 battery issue

I'm looking for a solution to my battery being drained quickly on my Samsung Galaxy S4 i9500. I recently bought a 2600mAh RAVPower battery, but my phone will drain my battery very quickly.

I've installed Wakelock Detector Lite and found that even if I don't touch my phone for days and let it remain idle, Google, Play Store and YouTube will use up significant energy from the battery. I turn off all features such as GPS and Sync. The only thing I leave on is Wi-Fi and I put my phone in power saver mode. I have included pictures of my battery stats and what features I leave on.

I would like to hear any advice about what I can do to extend battery life. Should, or can I even, hibernate some Google applications such a Play Store. Should I consider installing a custom ROM or a custom Kernel.

If you have any suggestions on what I should do, please let me know.
Screenshot_2019-03-05-08-42-25.png
 

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I'm looking for a solution to my battery being drained quickly on my Samsung Galaxy S4 i9500. I recently bought a 2600mAh RAVPower battery, but my phone will drain my battery very quickly.

I've installed Wakelock Detector Lite and found that even if I don't touch my phone for days and let it remain idle, Google, Play Store and YouTube will use up significant energy from the battery. I turn off all features such as GPS and Sync. The only thing I leave on is Wi-Fi and I put my phone in power saver mode. I have included pictures of my battery stats and what features I leave on.

I would like to hear any advice about what I can do to extend battery life. Should, or can I even, hibernate some Google applications such a Play Store. Should I consider installing a custom ROM or a custom Kernel.

If you have any suggestions on what I should do, please let me know.
View attachment 140509
If your Android version is v5.0.1 then you will need to install a custom firmemware because theirs a huge battery bug with android v5.0.1 that drains batteries faster then normal
 
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If your Android version is v5.0.1 then you will need to install a custom firmemware because theirs a huge battery bug with android v5.0.1 that drains batteries faster then normal

yep, I am using v5.0.1
I am glad you told be about the bug. I'm thinking of installing MIUI 7 for Samsung Galaxy S4 GT-I9500.
If you have any suggestions for custom firmwares please let me know.
 
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That's one of the ads that are shown in the Wakelock App. I believe that alot of free apps include ads.

Yeh they do, and they could be data mining, phoning home your private data, and tracking you as well, and even reports of cryptocurrency mining on user's devices. All of which can cause excessive battery drain. Does this "Wakelock App" come from China?
 
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Yeh they do, and they could be data mining, phoning home your private data, and tracking you as well, and even reports of cryptocurrency mining on user's devices. All of which can cause excessive battery drain. Does this "Wakelock App" come from China?

This is the link to the wakelock app: https://play.google.com/store/apps/details?id=com.uzumapps.wakelockdetector.noroot&hl=en

It is developed by UzumApps.

I bought the Samsung Galaxy S4 i9500 from a Chinese seller on Ebay. The original battery the phone came with, the charger and the usb cable were fake (I was told so by the Samsung Service center). I hope the people I bought the phone from didn't tamper with it.
 
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Is the battery genuine?

I've bought a couple of batteries for the S4 in the past and I leaned that genuine batteries have NFC antennas while the low-quality batteries don't have it.

The original batteries that came with the phone were not genuine. So I bought a RAVPower battery for my phone. The RAVPower is better than the original but still discharges faster than it should inside my phone.
 
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The original batteries that came with the phone were not genuine. So I bought a RAVPower battery for my phone. The RAVPower is better than the original but still discharges faster than it should inside my phone.
I van recall having GamerROM OS for the s4 not sure if theirs a perfect one for you but their designed for gaming and saving battery at the same time!
 
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