Undervolting - Galaxy S 4 Q&A, Help & Troubleshooting

I have undervolted my phone I think quite enough still I dont see any instabilities or freezes so that means there is still room for more?
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Just try until it's stable and has no freezing or stability issues. Probably stress test it using benchmark apps and so forth and general day to day usage. But don't go too low.
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How can I check the undervolting I've done is stable enough,I mean what tells u its stable for daily use
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Testing (obviously).

Test test and test. Your daily usage will determine if it's stable or not if you get any reboots then you'll know you need to increase the voltage.
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Related

Heavy users can you please post your set cpu profiles

Right now I get pretty good battery life but don't use ste cpu because I don't understand it:-/
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Is this considered heavy
Pic wen I get home sorry
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Ram Usage

My ram is always at like 500 and I can't get it down and it slows my phone down and I can't pinpoint what it is. Thanks for the future help
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I figured it out I wiped my cache and dalvik
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Just kidding the issue persists
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I usually eliminate / remove the background processes of the apps I'm not using or don't consider top priority for notifications and etc.
And if the service restarts then force close / freeze
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Thank you
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If your on a stock rom this seems pretty consistent with the ram usage I'm looking at with nothing frozen on stock.
cdavid469 said:
If your on a stock rom this seems pretty consistent with the ram usage I'm looking at with nothing frozen on stock.
Click to expand...
Click to collapse
He's ^^^ correct. RAM usage shouldn't slow down your phone, if it's reasonable, and it is. One of the apps is causing the issue, not the amount of RAM being used. Android is designed to stack RAM.
I'm on cm10 and I don't have that many apps installed but look:
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Overheat

Guys got my S4 yesterday. ..
But while downloading apps or any othr downloads...
& even by charging... the phone heats up alot...
Even if I start the camera n try to use flash.. it is showing dat device temperature very high cannot use flash...
Guys suggest a app which can detect battery , procy , gpu temperature. ..
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CPU Spy+ to check CPU usage.
Wakelock Detector and BetterBatteryStats to check what exactly is possibly using the CPU and heating up the phone.
*#0228# in dialer for quick temperature check
Any one facing the same prob ??
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Any app which can restrict data usage ??
Any other like droidwall... which does not need root permissions...
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Overheat !

Hello guys, I was searching for this answer but I hadn't find any competent one, so I have sm-n900 rooted stock firmware, when I'm surfing internet or playing games, it heats, overheating, im worry about inside parts not to "burn" I tried every solution but no results. Is there any way to avoid overheating ?
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Its normal There aren´t any big fan like PC´s.
If there is a big overheat CPU autmatically underclock
Or you should flash custom kernel and undervolt CPU & GPU
Can you show me a tutorual how to indervolt cpu ? I'll flash halaszk kernel
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Set -25mV or -50mV CPU & GPU voltage in app or aroma
and last question it's not dangerous for phone yes ?
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Battery drain issue

Hello,
I'm on custom rom based on stock 4.4.2. I have a confusion. My phone used to have better battery life but not much now. The battery app shows that 'android OS' has keep awake all the time. Is this normal? The stats have been attached.
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You need to install a wakelock app to see what lock is the culprit. Android OS is a little too vague to figure out...
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Mines doing the same, it's ****ing annoying, my battery is no where near as good as it used to be.
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Better battery app, install and run for a day and post back.
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I'm not rooted, WLD doesn't work with kitkat unless you're rooted.
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