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System Monitor Lite?
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Popularity Score: 17
This app was mentioned in 20 comments, with an average of 1.35 upvotes
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Sounds like something in the Background might be using the CPU making it slow and uses up the battery. Try System Monitor and see if there's a process that's using a high percentage of your CPU.
If all else fails you could always try a factory reset, though.
I think there is no official way to go back. You might have to unlock and void your warranty etc.
https://play.google.com/store/apps/details?id=com.cgollner.systemmonitor.lite
Use this app to check CPU spikes, 2 apps that weren't on the battery usage info kept spiking, One was an unused launcher.
I went from 2-3 charges a day to normal 1-day
RAM is just another type of storage medium. It's "volatile" storage meaning it's erased as soon as it no longer has voltage applied. It's also much faster than non-volatile storage like SSDs and SD cards. This is the same if you're dealing with a PC, Mac, Android or iOS phone/tablet, etc... A file or application residing in memory but not actively running will use the same amount of battery as if nothing was stored in memory other than the actively running application. RAM has a pretty constant voltage applied while the system is running so it doesn't really matter whether RAM is full or empty as far as battery goes. Where issues come up is when you have rougue applications running in the background, filling memory and eating up CPU cycles. The CPU processing extra, unnecessary information will definitely eat battery life.
If you feel like your device is operating differently when your RAM is being used more, look to CPU cycles for an answer, not how full your RAM is. Try an app like this https://play.google.com/store/apps/details?id=com.cgollner.systemmonitor.lite
When people say "free RAM is wasted RAM" it's because applications stored in RAM for later use will open nearly instantly. Not having to access the slower non-volatile storage saves time. That RAM is being fed the same voltage whether that unused app is there or not, so why not store it in RAM so it opens faster later? If something else needs that memory area, Android will kick the unused app out.
Can you install a monitor like https://play.google.com/store/apps/details?id=com.cgollner.systemmonitor.lite&hl=de and tell me whether the disk IO goes through the roof during these "episodes"? Also, are you using stock Android?
https://play.google.com/store/apps/details?id=com.cgollner.systemmonitor.lite&hl=en
Under CPU, press the grid icon to show each core. Run something that taxes the phone and check the frequency.
Try system monitor lite, it has a storage calculator which shows you exactly which folder has how much data and what file it is.
Well, if you're willing we can investigate!
Use this app to help us out! maybe it can tell you what's using all that CPU and heating up your phone!
System Monitor (https://play.google.com/store/apps/details?id=com.cgollner.systemmonitor.lite) is reporting the cpu load. I will uninstall amazon prime instant video and check if the problem still persists. My device doesn't seem to know "htop", may I install it manually?
Your phone stayed awake for over nine hours!!! That's one reason why your battery life is dreadful. I'd say install System Monitor lite, run your phone for a while, and see what the top app is and if possible disable it. https://play.google.com/store/apps/details?id=com.cgollner.systemmonitor.lite
Like people keep repeating to you, task killers are pointless, but I like having System Monitor It's kind of like task manager in Windows. I don't use it to kill apps unless they are misbehaving(like when Google Search keeps the GPS on for 6 hours, or something wake locks the phone), but I love all the info it gives about my phone.
> OS Monitor
This ones amazing:
https://play.google.com/store/apps/details?id=com.cgollner.systemmonitor.lite&hl=en
Can you install something like https://play.google.com/store/apps/details?id=com.cgollner.systemmonitor.lite&hl=de and see if the slowing down is caused by high IO read rates?
System Monitor will show battery temps graphed over time.
Check out System Monitor. It has both a free and a paid version in case you like it.
https://play.google.com/store/apps/details?id=com.cgollner.systemmonitor.lite
try this app and look for mean apps, too.